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    97 Products

    Shims

    Image of Product. Front orientation. Shims. Round, Sold Individually.
    With thickness tolerances as fine as a strand of hair, these shims precisely align, space, and level components on shafts, arbors, and machinery.
    You can stack multiple shims to achieve your exact thickness, but stacking more than four may cause them to shift. Remember, fewer shims are better, so a couple of thicker shims are more stable than a bunch of thin shims.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these shims resist rust. However, they’ll corrode or pit when exposed to salt water and chemicals.
    Carbon Steel—Best for dry environments since moisture will cause these shims to rust.
    Stress-Resistant Spring Steel—These shims are harder and hold their shape better than carbon steel. Use them for high-stress applications, such as leveling heavy machinery. They're best for dry environments since moisture will cause them to rust.
    Aluminum—These shims are an alternative to stainless steel for rust resistance but aren't as hard so they may not retain their shape as well. One-third the weight of steel, they’re commonly used in robotics and automation.
    Brass—With a warm, polished look, these shims are often chosen for their appearance. Similar to 18-8 stainless steel, brass is corrosion resistant enough to stand up to wet environments.
    Copper—Good conductors of heat, these shims are often used when installing heat sinks. As our softest metal shims, they prevent damage to equipment and components but may not retain their shape as well as other metal shims.
    Ultra-Chemical-Resistant PTFE—The most chemical-resistant shims we offer, these stand up to the widest range of harsh acids, bases, solvents, and corrosive cleaners, even at temperatures up to 500° F. They also won't mar delicate surfaces.
    Thk.,
    mm
    Thk. Tolerance,
    mm
    ID Tolerance,
    mm
    OD Tolerance,
    mm
    Min.
    Hardness
    Color
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
     
    4 mm ID × 8 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——25000000000000000
     
    5 mm ID × 10 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——2500000000000000
     
    6 mm ID × 12 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——100000000000000
     
    8 mm ID × 14 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——100000000000000
     
    10 mm ID × 16 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——100000000000000
     
    12 mm ID × 18 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——1000000000000000
     
    14 mm ID × 20 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——100000000000000
     
    16 mm ID × 22 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——1000000000000000
     
    18 mm ID × 25 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——1000000000000000
     
    20 mm ID × 28 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——1000000000000000
     
    22 mm ID × 30 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——1000000000000000
     
    25 mm ID × 36 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——1000000000000000
     
    30 mm ID × 42 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——1000000000000000
     
    45 mm ID × 55 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——50000000000000
     
    50 mm ID × 62 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.05 to 0.05Rockwell B70——500000000000000
     
    Carbon Steel
     
    4 mm ID × 8 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——100000000000000
     
    5 mm ID × 10 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——100000000000000
     
    6 mm ID × 12 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——100000000000000
     
    8 mm ID × 14 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——100000000000000
     
    10 mm ID × 16 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——1000000000000000
     
    12 mm ID × 18 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——1000000000000000
     
    14 mm ID × 20 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——50000000000000
     
    16 mm ID × 22 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——50000000000000
     
    18 mm ID × 25 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——50000000000000
     
    20 mm ID × 28 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——2500000000000
     
    22 mm ID × 30 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——25000000000000
     
    25 mm ID × 36 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——250000000000000
     
    30 mm ID × 42 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——10000000000000
     
    35 mm ID × 45 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——10000000000000
     
    40 mm ID × 50 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——10000000000000
     
    50 mm ID × 62 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——5000000000000
     
    55 mm ID × 68 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——50000000000000
     
    60 mm ID × 75 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——50000000000000
     
    70 mm ID × 90 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——10000000000
     
    80 mm ID × 100 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B40——1000000000000
     
    Stress-Resistant Spring Steel
     
    25 mm ID × 36 mm OD
    1.5-0.05 to 00.03 to 0.4-0.47 to -0.04Rockwell B85—DIN 988100000000000000
     
    30 mm ID × 42 mm OD
    1.5-0.05 to 00.03 to 0.4-0.47 to -0.04Rockwell B85—DIN 9881000000000000000
     
    50 mm ID × 62 mm OD
    1.5-0.05 to 00.03 to 0.4-0.47 to -0.04Rockwell B85—DIN 988500000000000000
     
    60 mm ID × 75 mm OD
    1.5-0.05 to 00.03 to 0.4-0.47 to -0.04Rockwell B85—DIN 98810000000000000
     
    Aluminum
     
    10 mm ID × 16 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Brinell 60——2500000000000000
     
    12 mm ID × 18 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Brinell 60——2500000000000000
     
    16 mm ID × 22 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Brinell 60——2500000000000000
     
    20 mm ID × 28 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Brinell 60——100000000000000
     
    25 mm ID × 36 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Brinell 60——100000000000000
     
    Brass
     
    8 mm ID × 14 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B14—ASTM B36100000000000000
     
    10 mm ID × 16 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B14—ASTM B36100000000000000
     
    12 mm ID × 18 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B14—ASTM B36100000000000000
     
    20 mm ID × 28 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B14—ASTM B3650000000000000
     
    30 mm ID × 42 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell B14—ASTM B3610000000000000
     
    Copper
     
    6 mm ID × 12 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell F40—ASTM B152100000000000000
     
    8 mm ID × 14 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell F40—ASTM B152100000000000000
     
    10 mm ID × 16 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell F40—ASTM B152100000000000000
     
    12 mm ID × 18 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell F40—ASTM B152100000000000000
     
    16 mm ID × 22 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell F40—ASTM B152100000000000000
     
    20 mm ID × 28 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5Rockwell F40—ASTM B15250000000000000
     
    Ultra-Chemical-Resistant PTFE
     
    6 mm ID × 12 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5—White—250000000000000
     
    12 mm ID × 18 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5—White—2500000000000000
     
    20 mm ID × 28 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5—White—50000000000000
     
    25 mm ID × 36 mm OD
    1.5-0.14 to 0.14-0.3 to 0.3-0.5 to 0.5—White—500000000000000
     

    Spring Lock Washers for Slotted Bearing Nuts

    Image of System. Front orientation. Contains Annotated. For Chamfered Nuts. Spring Lock Washer.
    Image of Attribute. Front orientation. Contains MultipleImages. For Chamfered Nuts.

    For Chamfered Nuts

    Designed for use with bearing nuts, these lock washers have a conical shape that presses like a spring against bearings, bushings, gears, and pulleys to hold them in place on your threaded shaft or spindle. They also have an inner tab that sits in the shaft or spindle’s keyway to prevent the nut from loosening.
    Steel—Steel washers are strong and flexible.
    External Tooth—Washers with external teeth grip components using their teeth, in addition to spring tension.
    DIN 5406—DIN 462 and DIN 5406 washers meet international standards for lock washer dimensions. Pair DIN 462 washers with DIN 1804 bearing nuts, and DIN 5406 washers with DIN 981 bearing nuts.
    Tab,
    mm
    For Screw
    Size
    ID,
    mm
    OD, mm
    Thk.,
    mm
    Wd.
    Dp.
    Overall
    Ht., mm
    Tooth
    Location
    Hardness
    Specs.
    Met
    For Bearing
    Nut Specs. Met
    Each
    For Chamfered Nuts
     
    Steel
    M60
    		60.00086.0001.5008.0002.5004.500ExternalNot RatedDIN 5406DIN 98100000000000000
    M65
    		65.00092.0001.5008.0002.5004.500ExternalNot RatedDIN 5406DIN 9810000000000000
    M70
    		70.00098.0001.5008.0003.5004.500ExternalNot RatedDIN 5406DIN 9810000000000000
    M75
    		75.000104.0001.5008.0003.5005.000ExternalNot RatedDIN 5406DIN 9810000000000000
     

    Leveling Washers for I-Beams

    Image of ProductInUse. Mounted on an I-Beam. Front orientation. Leveling Washers. Leveling Washers for I-Beams.

    Mounted

    on an

    I-Beam

    Image of Product. Front orientation. Contains Annotated. Leveling Washers. Leveling Washers for I-Beams.
    Commonly called beveled washers, these are tapered to fit inside an I-beam's flange to provide a parallel bearing surface.
    18-8 Stainless Steel—18-8 stainless steel washers have good chemical resistance and may be mildly magnetic. These washers are the most corrosion-resistant option.
    Zinc-Plated Steel—Zinc-plated steel washers are coated for corrosion resistance in wet environments.
    Galvanized Steel—Galvanized steel washers are ten times more corrosion resistant than zinc-plated washers.
    Thk.,
    mm
    For Screw
    Size
    ID,
    mm
    Wd.,
    mm
    (A)
    (B)
    Hardness
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    M8
    		9.022.04.61.5Rockwell B52DIN 435100000000000000
    M10
    		11.022.04.61.5Rockwell B52DIN 43510000000000000
     
    Zinc-Plated Steel
    M8
    		9.022.04.61.5Rockwell B52DIN 4351000000000000000
    M10
    		11.022.04.61.5Rockwell B52DIN 4351000000000000000
     
    Galvanized Steel
    M8
    		9.022.04.61.5Rockwell B52DIN 4351000000000000000
    M10
    		11.022.04.61.5Rockwell B52DIN 43550000000000000
     

    Insulating Sleeve Washers

    Cover screw threads to stop electrical current in its tracks and prevent short circuits. These washers create a barrier between the screw threads and the mating surface when mounted in through holes. This barrier also extends the life of your assembly by preventing galvanic corrosion, which is when two different metals rust more quickly due to contact with each other.
    Flat Edge
    Image of Product. Front orientation. Insulating Washers. Insulating Sleeve Washers, Flat Edge.
    The flat edge distributes weight evenly to take pressure off screw heads.
    Nylon—Our most versatile insulating washers, these block unwanted current in everything from switches and circuit breakers to control panels and electric motors.
    Very-High-Temperature Ceramic—Our most heat-resistant washers and the best electrical insulators. These won't melt or become brittle at blistering temperatures up to 1,700° F, making them perfect for ovens, kilns, and furnaces. Ceramic may crack or dent if subjected to hard bumps, however, so these washers are not recommended for high-vibration applications.
    Sleeve,
    mm
    Temp.
    Range, ° F
    For Screw
    Size
    Ht.
    OD
    ID,
    mm
    OD,
    mm
    Thk.,
    mm
    Overall
    Ht., mm
    Min.
    Max.
    Color
    Pkg.
    Qty.
    Pkg.
    Nylon
    M4
    		3.0006.0004.1008.4001.5004.500-40180Off-White100000000000000000
    M4
    		5.0006.0004.1008.4001.5006.500-40180Off-White10000000000000000
     
    Very-High-Temperature Ceramic
    M2
    		2.5003.0002.1004.2001.5004.000Not Rated1,700Off-White10000000000000
    M3
    		1.5004.0003.1006.2001.5003.000Not Rated1,700Off-White10000000000000
    M3
    		3.5004.0003.1006.2001.5005.000Not Rated1,700Off-White10000000000000
    M3
    		7.5004.0003.1006.2001.5009.000Not Rated1,700Off-White10000000000000
    M4
    		3.0006.0004.1008.4001.5004.500Not Rated1,700Off-White10000000000000
    M4
    		5.0006.0004.1008.4001.5006.500Not Rated1,700Off-White10000000000000
     

    Heavy-Vibration-Resistant Spring Lock Washers

    Image of Product. Front orientation. Lock Washers. Spring Lock Washer, Conical Washer.
    With a grip that's second only to wedge lock, these washers stop nuts and screws from wiggling loose under constant, vigorous vibration. They are ideal for engines, turbines, generators, and other heavy duty equipment. Similar to a spring, they flatten under pressure to add tension between mating surfaces. As long as the washers aren't deformed or otherwise damaged, you can reuse them indefinitely without losing locking strength. Also known as conical washers and Belleville washers.
    Stack multiple washers in the same direction to double or triple how much weight they can bear. Stack washers in opposite directions for better deflection, which means they compress further and withstand more shock and movement without loosening.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these washers won't rust when exposed to moisture. However, they can't hold up to the harsh chemicals that 316 stainless steel can.
    Black-Oxide 18-8 Stainless Steel—Typically chosen for their appearance, these washers have a dark, matte coating to create a finished look. They won't rust in wet and outdoor environments, but can't hold up to harsh chemicals as well as 316 stainless steel.
    Super-Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these washers won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Phosphate-Coated Steel—Paint adheres evenly to the surface of these washers, so you can add your own decorative finish. They are more durable than zinc-plated steel washers to withstand wet and outdoor environments. However, they won't hold up to the harsh chemicals that stainless steel can.
    Steel—Best for dry environments since moisture will cause these washers to rust.
    For Screw
    Size
    ID,
    mm
    OD,
    mm
    Thk.,
    mm
    Overall
    Ht., mm
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    M6
    		6.414.01.52.0DIN 67962500000000000000
    M10
    		10.220.71.52.3—1000000000000000
     
    Black-Oxide 18-8 Stainless Steel
    M6
    		6.414.01.52.0DIN 679650000000000000
     
    Super-Corrosion-Resistant 316 Stainless Steel
    M6
    		6.414.01.52.0DIN 67961000000000000000
     
    Zinc-Plated Steel
    M6
    		6.414.01.52.0DIN 6796250000000000000
    M10
    		10.320.51.52.6—100000000000000
     
    Phosphate-Coated Steel
    M6
    		6.414.01.52.0DIN 67965000000000000000
     
    Steel
    M6
    		6.414.01.52.0DIN 6796500000000000000
     

    Wave Spring Lock Washers

    Image of Product. Front orientation. Lock Washers. Wave Washer, Spring Lock Washer.
    The wavy shape flexes like a spring to keep nuts and screws secure on slightly uneven surfaces. These washers add a small amount of tension to stop fasteners from backing out due to mild vibration. While they don't hold as well as other lock washers, they do grip slightly better than curved washers. They work best in electrical panels, light fixtures, and other light duty assemblies. Since these washers hold their shape when untightened, you can reuse them a handful of times without losing strength.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these washers won't rust when exposed to moisture. However, they can't hold up to the harsh chemicals that 316 stainless steel can.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    DIN 128B—These washers have split ends that bite into your material surface for a tighter hold than other wave washers.
    For Screw
    Size
    No. of
    Waves
    ID,
    mm
    OD,
    mm
    Thk.,
    mm
    Overall
    Ht., mm
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    M8
    		18.514.81.52.7DIN 128B2500000000000000
     
    Zinc-Plated Steel
    M8
    		18.114.81.52.5DIN 128B10000000000000000
     

    Curved Spring Lock Washers

    Image of Product. Front orientation. Lock Washers. Curved Washer, Spring Lock Washer.
    The curvy, spring-like shape adds a small amount of tension to prevent nuts and screws from backing out due to mild vibration. These washers also flex slightly to compensate for uneven surfaces. While more secure than a standard flat washer, these have the least amount of gripping power of all our lock washers. They are best suited for electrical panels, light fixtures, and other light duty assemblies. These washers hold their shape when untightened, so you can reuse them a handful of times without losing strength.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these washers won't rust when exposed to moisture. However, they can't hold up to the harsh chemicals that 316 stainless steel can.
    Zinc-Plated Steel—A common choice for areas with occasional exposure to moisture.
    Zinc-Yellow-Chromate-Plated Steel—With the same corrosion resistance as zinc-plated steel, these withstand occasional exposure to moisture.
    Black-Oxide Steel—Typically chosen for their appearance, these washers have a dark, matte coating that creates a finished look. They offer minimal corrosion resistance, so they're best for dry environments.
    DIN 128A—These washers have split ends that bite into your material surface for a tighter hold than other curved washers.
    For Screw
    Size
    ID,
    mm
    OD,
    mm
    Thk.,
    mm
    Overall
    Ht., mm
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
    M8
    		8.114.81.52.5DIN 128A5000000000000000
     
    Zinc-Plated Steel
    M8
    		8.114.81.52.5DIN 128A10000000000000000
     
    Zinc-Yellow-Chromate-Plated Steel
    M8
    		8.114.81.52.5DIN 128A1000000000000000
     
    Black-Oxide Steel
    M8
    		8.114.81.52.5DIN 128A500000000000000
     

    Sanitary Bonded Sealing Washers

    Image of Product. Front orientation. Sealing Washers. Sanitary Bonded Sealing Washers.
    Eliminate nooks and crannies under the nut or screw head where dirt and bacteria could collect. Unlike other bonded washers, the metal ring nests inside the rubber layer, creating a smooth outer surface that's easy to clean. These washers stand up to harsh cleaners and detergents and won't corrode from frequent washdowns. They're commonly found on equipment in food and pharmaceutical processing plants to prevent leaks and block out contaminants. Reuse them a handful of times, as long as the material isn't damaged.
    316 Stainless Steel and EPDM—These washers are highly resistant to tearing, scuffs, and scrapes. They are more economical than Fluoroprene Fluoroelastomer, however, they aren't as heat resistant.
    Chemical-Resistant 316 Stainless Steel and Fluoroprene Fluoroelastomer—These washers withstand higher temperatures than EPDM, so you can sterilize them with steam. They also resist more chemicals, such as oil, solvents, and acids.
    Temp.
    Range, ° F
    For Screw
    Size
    ID,
    mm
    OD,
    mm
    Thk.,
    mm
    Min.
    Max.
    Color
    Food Industry Std.
    Each
    316 Stainless Steel and EPDM
    M10
    		10.10021.2001.500-40300Black3-A Certified 18-03, FDA Compliant 21 CFR 177.2600, NSF/ANSI 51000000000000000
    M12
    		12.10025.5001.500-40300Black3-A Certified 18-03, FDA Compliant 21 CFR 177.2600, NSF/ANSI 5100000000000000
    M16
    		16.10033.9001.500-40300Black3-A Certified 18-03, FDA Compliant 21 CFR 177.2600, NSF/ANSI 5100000000000000
     
    Chemical-Resistant 316 Stainless Steel and Fluoroprene Fluoroelastomer
    M10
    		10.10021.2001.5005390Blue3-A Certified 18-03, FDA Compliant 21 CFR 177.260000000000000000
    M12
    		12.10025.5001.5005390Blue3-A Certified 18-03, FDA Compliant 21 CFR 177.260000000000000000
    M16
    		16.10033.9001.5005390Blue3-A Certified 18-03, FDA Compliant 21 CFR 177.260000000000000000
     
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