Mil. Spec. Threadlockers

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Warning: Products have one, but not necessarily all, of the selected characteristics.

	Color Color

	Blue		Red
	Purple		Green
	Gray		Brown
	White		Amber
	Orange		Yellow

	Container Type Container Type


Bottle	One-Time- Use Capsule

Brush-Top Bottle	Strip

Aerosol Can	Can

Spray Bottle

	Manufacturer Manufacturer

Loctite®

	Manufacturer Model Number Manufacturer Model Number

	Locking Strength Locking Strength

Medium

High

Low

	For Use On For Use On

	For Maximum Thread Diameter For Maximum Thread Diameter

	Type Type

	Removal Method Removal Method

Hand Tool

Hand Tool and Heat

	Container Size Container Size

	Begins to Harden Begins to Harden

	Consistency Consistency

Thin Liquid

Thick Liquid

	Cure Type Cure Type

Anaerobic

	Breakaway Torque Breakaway Torque

	Mixing Required Mixing Required

	Maximum Temperature Maximum Temperature

250° to 399° F

500° to 999° F

	Minimum Temperature Minimum Temperature

-450° F

-65° F

	Reaches Full Strength Reaches Full Strength

24 hrs.

	Clarity Clarity

Semi-Clear

Opaque

	Viscosity Viscosity

	Formulation Formulation

Acrylic

	Width Width

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91 Products

About Structural Adhesives

About Sealant Flexibility

Prevent threaded fasteners from loosening due to shock and vibration. These threadlockers begin to harden once coated surfaces are threaded together and exposure to air is blocked. Primer (sold separately) cleans the surface and decreases the time to reach full strength. It is recommended when working with aluminum, stainless steel, and titanium; black-oxide finishes; and cadmium and zinc coatings.

Threadlockers with medium locking strength require a hand tool to unthread.

Threadlockers with high locking strength require both heat and a hand tool to unthread.

087 is for coarse threads.

088 has a thin consistency to flow into fine threads.

262 fluoresces under UV light for easy inspection. It can bond slightly oily parts.

	Container
Mfr. Model No.	Size, oz.	Type	Begins to Harden	Reaches Full Strength	Temp. Range, °F	For Max. Thread Dia.	Consistency	Viscosity, cP	Breakaway Torque, in.-lbs.	Color		Each
Medium Locking Strength
Loctite® Threadlockers
242	0.02	One-Time-Use Capsule	10 min.	24 hrs.	-65° to 300°	3/4"	Thin Liquid	1,150	70	Blue	000000000	00000
242	0.34	Bottle	10 min.	24 hrs.	-65° to 300°	3/4"	Thin Liquid	1,150	70	Blue	000000000	00000
242	1.69	Bottle	10 min.	24 hrs.	-65° to 300°	3/4"	Thin Liquid	1,150	70	Blue	000000000	00000
242	8.45	Bottle	10 min.	24 hrs.	-65° to 300°	3/4"	Thin Liquid	1,150	70	Blue	000000000	000000
242	33.8	Bottle	10 min.	24 hrs.	-65° to 300°	3/4"	Thin Liquid	1,150	70	Blue	0000000	000000
Threadlockers
__	0.34	Bottle	30 min.	24 hrs.	-65° to 300°	3/4"	Thin Liquid	120	100	Blue	00000000	00000
__	1.69	Bottle	30 min.	24 hrs.	-65° to 300°	3/4"	Thin Liquid	120	100	Blue	00000000	00000
__	8.45	Bottle	30 min.	24 hrs.	-65° to 300°	3/4"	Thin Liquid	120	100	Blue	00000000	000000
High Locking Strength
Loctite® Threadlockers
087	1.69	Bottle	6 hrs.	24 hrs.	-65° to 300°	1"	Thin Liquid	180	60	Red	0000000	00000
088	1.69	Bottle	2 hrs.	24 hrs.	-65° to 300°	1"	Thin Liquid	20	35	Red	0000000	00000
262	0.02	One-Time-Use Capsule	5 min.	24 hrs.	-65° to 300°	3/4"	Thick Liquid	2,400	190	Red	000000000	0000
262	0.34	Bottle	5 min.	24 hrs.	-65° to 300°	3/4"	Thick Liquid	2,400	190	Red	000000000	00000
262	1.69	Bottle	5 min.	24 hrs.	-65° to 300°	3/4"	Thick Liquid	2,400	190	Red	000000000	00000
262	8.45	Bottle	5 min.	24 hrs.	-65° to 300°	3/4"	Thick Liquid	2,400	190	Red	000000000	000000
Threadlockers
__	0.34	Bottle	20 min.	24 hrs.	-65° to 300°	3/4"	Thick Liquid	3,550	200	Red	00000000	00000
__	0.34	Bottle	60 min.	24 hrs.	-65° to 300°	2"	Thick Liquid	7,000	250	Red	00000000	00000
__	1.69	Bottle	20 min.	24 hrs.	-65° to 300°	3/4"	Thick Liquid	3,550	200	Red	00000000	00000
__	1.69	Bottle	60 min.	24 hrs.	-65° to 300°	2"	Thick Liquid	7,000	250	Red	00000000	00000
__	8.45	Bottle	20 min.	24 hrs.	-65° to 300°	3/4"	Thick Liquid	3,550	200	Red	00000000	000000
__	8.45	Bottle	60 min.	24 hrs.	-65° to 300°	2"	Thick Liquid	7,000	250	Red	00000000	000000

Heavy Duty Threadlockers

To withstand demanding, high-vibration applications such as motor and pump housings, these threadlockers have high breakaway torque. They begin to harden once coated surfaces are threaded together and exposure to air is blocked.

Primer (sold separately) cleans the surface and decreases the time to reach full strength. It is recommended when working with aluminum, stainless steel, and titanium; black-oxide finishes, and cadmium and zinc coatings.

277 fluoresces under UV light for easy inspection. It works on lightly oily fasteners.

	Container
Mfr. Model No.	Size, oz.	Type	Begins to Harden	Reaches Full Strength	Temp. Range, °F	For Max. Thread Dia.	Consistency	Viscosity, cP	Breakaway Torque, in.-lbs.	Color	Specifications Met		Each
High Locking Strength
Loctite® Threadlockers
271	0.02 oz.	One-Time-Use Capsule	10 min.	24 hrs.	-65° to 300°	1"	Thin Liquid	500	250	Red	ASTM D5363, MIL-S-46163A, UL Classified MH8007	000000000	00000
271	0.34 oz.	Bottle	10 min.	24 hrs.	-65° to 300°	1"	Thin Liquid	500	250	Red	ASTM D5363, MIL-S-46163A, UL Classified MH8007	000000000	00000
271	1.69 oz.	Bottle	10 min.	24 hrs.	-65° to 300°	1"	Thin Liquid	500	250	Red	ASTM D5363, MIL-S-46163A, UL Classified MH8007	000000000	00000
271	8.45 oz.	Bottle	10 min.	24 hrs.	-65° to 300°	1"	Thin Liquid	500	250	Red	ASTM D5363, MIL-S-46163A, UL Classified MH8007	000000000	000000
271	33.8 oz.	Bottle	10 min.	24 hrs.	-65° to 300°	1"	Thin Liquid	500	250	Red	ASTM D5363, MIL-S-46163A, UL Classified MH8007	0000000	000000
277	0.34 oz.	Bottle	60 min.	24 hrs.	-65° to 300°	1 1/2"	Thick Liquid	7,000	280	Red	ASTM D5363, MIL-S-46163A	000000000	00000
277	1.69 oz.	Bottle	60 min.	24 hrs.	-65° to 300°	1 1/2"	Thick Liquid	7,000	280	Red	ASTM D5363, MIL-S-46163A	000000000	00000
277	8.45 oz.	Bottle	60 min.	24 hrs.	-65° to 300°	1 1/2"	Thick Liquid	7,000	280	Red	ASTM D5363, MIL-S-46163A	000000000	000000
Threadlockers
__	1.69 oz.	Bottle	60 min.	24 hrs.	-65° to 350°	1"	Thin Liquid	520	300	Red	ASTM D5363, MIL-S-46163 Grade K Type I	00000000	00000

Adjustable Threadlockers

These threadlockers give a secure hold, but can be easily adjusted with hand tools. They can be removed without damaging countersunk fasteners, set screws, and other small fasteners. These threadlockers begin to harden once coated surfaces are threaded together and exposure to air is blocked.

	Container
Mfr. Model No.	Size, oz.	Type	Begins to Harden	Reaches Full Strength	Temp. Range, °F	For Max. Thread Dia.	Consistency	Viscosity, cP	Breakaway Torque, in.-lbs.	Color		Each
Low Locking Strength
Loctite® Threadlockers
222MS	0.02	One-Time-Use Capsule	10 min.	24 hrs.	-65° to 300°	1/4"	Thin Liquid	1,200	25	Purple	000000000	00000
222MS	0.34	Bottle	10 min.	24 hrs.	-65° to 300°	1/4"	Thin Liquid	1,200	25	Purple	000000000	00000
222MS	1.69	Bottle	10 min.	24 hrs.	-65° to 300°	1/4"	Thin Liquid	1,200	25	Purple	000000000	00000
222MS	8.45	Bottle	10 min.	24 hrs.	-65° to 300°	1/4"	Thin Liquid	1,200	25	Purple	000000000	000000
Threadlockers
__	1.69	Bottle	30 min.	24 hrs.	-65° to 300°	1/4"	Thick Liquid	2,950	30	Purple	00000000	00000

Threadlockers for Drinking Water

Threadlockers begin to harden once coated surfaces are threaded together and exposure to air is blocked.

Container
Size, oz.	Type	Begins to Harden	Reaches Full Strength	Temp. Range, °F	For Max. Thread Dia.	Consistency	Viscosity, cP	Breakaway Torque, in.-lbs.	Color	Specifications Met		Each
Medium Locking Strength
Threadlockers
1.69	Bottle	5 min.	24 hrs.	-65° to 350°	3/4"	Thick Liquid	1,800	150	Blue	ASTM D5363, MIL-S-46163 Grade N Type II, NSF/ANSI 61	00000000	000000

Wicking Threadlockers

Apply these threadlockers on fasteners that are already installed—their thin consistency allows them to flow into small gaps. They begin to harden once coated surfaces are threaded together and exposure to air is blocked.

Threadlockers with low locking strength adjust easily with a hand tool.

Threadlockers with medium locking strength require a hand tool to unthread.

Threadlockers with high locking strength require both heat and a hand tool to unthread.

	Container
Mfr Model No.	Size, oz.	Type	Begins to Harden	Reaches Full Strength	Temp. Range, °F	For Max. Thread Dia.	Consistency	Viscosity, cP	Breakaway Torque, in.-lbs.	Color		Each
Low Locking Strength
Loctite® Threadlockers
220	0.34	Bottle	6 min.	24 hrs.	-65° to 300°	2"	Thin Liquid	20	20	Blue	00000000	000000
220	8.45	Bottle	6 min.	24 hrs.	-65° to 300°	2"	Thin Liquid	20	20	Blue	0000000	000000
Medium Locking Strength
Threadlockers
__	1.69	Bottle	10 min.	24 hrs.	-65° to 350°	1/4"	Thin Liquid	20	100	Green	00000000	00000
High Locking Strength
Loctite® Threadlockers
290	0.34	Bottle	20 min.	24 hrs.	-65° to 300°	1/2"	Thin Liquid	40	90	Green	000000000	00000
290	1.69	Bottle	20 min.	24 hrs.	-65° to 300°	1/2"	Thin Liquid	40	90	Green	000000000	00000
290	8.45	Bottle	20 min.	24 hrs.	-65° to 300°	1/2"	Thin Liquid	40	90	Green	000000000	000000

Adjustable Wicking Threadlockers

These threadlockers give a secure hold, but can be easily adjusted with hand tools. They can be removed without damaging countersunk fasteners, set screws, and other small fasteners. The thin consistency allows them to flow into small gaps, so you can apply them on fasteners that are already installed. These threadlockers begin to harden once coated surfaces are threaded together and exposure to air is blocked.

	Container
Mfr. Model No.	Size, oz.	Type	Begins to Harden	Reaches Full Strength	Temp. Range, °F	For Max. Thread Dia.	Consistency	Viscosity, cP	Breakaway Torque, in.-lbs.	Color		Each
Low Locking Strength
Loctite® Threadlockers
078	1.69	Bottle	6 hrs.	24 hrs.	-65° to 300°	1/4"	Thin Liquid	20	35	Brown	000000	000000

Retaining Compounds for Close-Fitting Parts

Fill gaps up to 0.01" to secure unthreaded cylindrical metal parts such as shafts, bearings, and press-fit assemblies. These retaining compounds begin to harden once coated surfaces are pressed together, blocking exposure to air.

Container
Size, oz.	Type	Max. Gap Size Filled	Begins to Harden	Reaches Full Strength	Temp. Range, °F	Consistency	Viscosity, cP	Shear Strength, lbs./sq. in.	Color		Each
Low Locking Strength
Retaining Compounds
1.69	Bottle	0.005"	30 min.	24 hrs.	-65° to 300°	Thin Liquid	20	Not Rated	Brown	00000000	000000
1.69	Bottle	0.005"	30 min.	24 hrs.	-65° to 300°	Thin Liquid	20	Not Rated	Purple	00000000	00000
1.69	Bottle	0.005"	30 min.	24 hrs.	-65° to 300°	Thin Liquid	170	Not Rated	Brown	00000000	00000
1.69	Bottle	0.005"	30 min.	24 hrs.	-65° to 300°	Thin Liquid	170	Not Rated	Purple	00000000	00000
1.69	Bottle	0.005"	30 min.	24 hrs.	-65° to 300°	Thin Liquid	170	Not Rated	Yellow	00000000	00000
Medium Locking Strength
Retaining Compounds
1.69	Bottle	0.004"	30 min.	24 hrs.	-65° to 300°	Thin Liquid	150	Not Rated	Yellow	00000000	00000
1.69	Bottle	0.005"	30 min.	24 hrs.	-65° to 300°	Thin Liquid	20	Not Rated	Blue	00000000	00000
1.69	Bottle	0.005"	30 min.	24 hrs.	-65° to 300°	Thin Liquid	170	Not Rated	Blue	00000000	00000
High Locking Strength
Retaining Compounds
1.69	Bottle	0.004"	30 min.	24 hrs.	-65° to 300°	Thin Liquid	20	Not Rated	Green	00000000	00000
1.69	Bottle	0.005"	20 min.	24 hrs.	-65° to 350°	Thin Liquid	300	2,000	Green	00000000	00000
1.69	Bottle	0.005"	30 min.	24 hrs.	-65° to 300°	Thin Liquid	20	Not Rated	Red	00000000	00000
1.69	Bottle	0.005"	30 min.	24 hrs.	-65° to 300°	Thin Liquid	60	Not Rated	Orange	00000000	00000
1.69	Bottle	0.005"	30 min.	24 hrs.	-65° to 300°	Thin Liquid	170	Not Rated	Red	00000000	00000
1.69	Bottle	0.006"	20 min.	24 hrs.	-65° to 350°	Thin Liquid	600	3,000	Green	00000000	00000

Primers for Threadlockers, Retaining
Compounds, and Acrylic Adhesives

To speed cure time on coated fasteners, aluminum, stainless steel, or titanium, apply these primers before using threadlocker or retaining compound. They also work with no-mix acrylic adhesives.

Primers in brush-top bottles also include a spray head for easy dispensing.

	Container
Mfr. Model No.	Size	Type	Drying Time	Consistency	Viscosity, cP	Color	Specifications Met		Each
Loctite® Primers
7471	1.75 oz.	Brush-Top Bottle, Spray Bottle	30 sec.	Thin Liquid	2	Amber	MIL-S-22473E	00000000	000000
7471	4.5 oz.	Aerosol Can	30 sec.	Thin Liquid	2	Amber	MIL-S-22473E	00000000	00000
7471	1 gal.	Can	30 sec.	Thin Liquid	2	Amber	MIL-S-22473E	00000000	000000
7649	0.88 oz.	Aerosol Can	30 sec.	Thin Liquid	2	Green	MIL-S-22473E, NSF/ANSI Standard 61 for Drinking Water	0000000	00000
7649	1.75 oz.	Brush-Top Bottle, Spray Bottle	30 sec.	Thin Liquid	2	Green	MIL-S-22473E, NSF/ANSI Standard 61 for Drinking Water	0000000	00000
7649	4.5 oz.	Aerosol Can	30 sec.	Thin Liquid	2	Green	MIL-S-22473E, NSF/ANSI Standard 61 for Drinking Water	0000000	00000
7649	1 gal.	Can	30 sec.	Thin Liquid	2	Green	MIL-S-22473E, NSF/ANSI Standard 61 for Drinking Water	0000000	000000
Primers
__	4.25 oz.	Aerosol Can	1 min.	Thin Liquid	Not Rated	Green	MIL-S-22473E	00000000	00000

High-Density Thread Sealant Tape

This tape has a higher density than standard tape for a better seal between threads. Made of PTFE, it has a slippery surface that keeps threads from binding to make parts easy to assemble.

			Max. Pressure, psi							Each
Wd.	Lg., yd.	Density, g/cm³	For Fluids	For Gases	Temp. Range, °F	For Max. Thread Dia.	Specifications Met	Color		1-11	12-Up
PTFE
0.0032" Thick.
1/4"	14	1.2	10,000	10,000	-450° to 550°	1/2"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 177.1550 UL Listed	White	0000000	00000	00000
1/4"	14	1.2	10,000	10,000	-450° to 550°	1/2"	MIL-A-A-58092 MIL-T-27730A UL Listed	Gray	0000000	0000	0000
3/8"	14	1.2	10,000	10,000	-450° to 550°	3/4"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 177.1550 UL Listed	White	0000000	0000	0000
3/8"	14	1.2	10,000	10,000	-450° to 550°	3/4"	MIL-A-A-58092 MIL-T-27730A UL Listed	Gray	0000000	0000	0000
1/2"	14	1.2	10,000	10,000	-450° to 550°	1"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 177.1550 UL Listed	White	0000000	0000	0000
1/2"	14	1.2	10,000	10,000	-450° to 550°	1"	MIL-A-A-58092 MIL-T-27730A UL Listed	Gray	0000000	0000	0000
3/4"	14	1.2	10,000	10,000	-450° to 550°	1 1/2"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 177.1550 UL Listed	White	0000000	0000	0000
3/4"	14	1.2	10,000	10,000	-450° to 550°	1 1/2"	MIL-A-A-58092 MIL-T-27730A UL Listed	Gray	0000000	0000	0000
1"	14	1.2	10,000	10,000	-450° to 550°	2"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 177.1550 UL Listed	White	0000000	0000	0000
1"	14	1.2	10,000	10,000	-450° to 550°	2"	MIL-A-A-58092 MIL-T-27730A UL Listed	Gray	0000000	0000	0000
1 1/2"	14	1.2	10,000	10,000	-450° to 550°	3"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 177.1550 UL Listed	White	0000000	00000	00000
1 1/2"	14	1.2	10,000	10,000	-450° to 550°	3"	MIL-A-A-58092 MIL-T-27730A UL Listed	Gray	0000000	00000	00000
2"	14	1.2	10,000	10,000	-450° to 550°	4"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 177.1550 UL Listed	White	0000000	00000	00000
0.0035" Thick.
1/4"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed	White	0000000	0000	0000
3/8"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed	White	0000000	0000	0000
1/2"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed	White	0000000	00000	0000
3/4"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed	White	0000000	00000	00000
1"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed	White	0000000	00000	00000
1 1/2"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed	White	0000000	00000	00000
2"	14	1.9	10,000	10,800	-450° to 550°	6"	MIL-A-A-58092 MIL-T-27730A FDA Compliant 21 CFR 175.105 FDA Compliant 21 CFR 177.2600 UL Listed	White	0000000	00000	00000

Thread Sealant Tape

Made of PTFE, this tape has a slippery surface that keeps threads from binding to make parts easy to assemble.

			Max. Pressure, psi							Each
Wd.	Lg., yd.	Density, g/cm³	For Fluids	For Gases	Temp. Range, °F	For Max. Thread Dia.	Specifications Met	Color		1-11	12-Up
PTFE
0.0032" Thick.
1/4"	14	0.7	10,000	10,000	-450° to 550°	1/2"	FDA Compliant 21 CFR 177.1550, MIL-T-27730A, UL Listed	White	0000000	00000	00000
3/8"	14	0.7	10,000	10,000	-450° to 550°	3/4"	FDA Compliant 21 CFR 177.1550, MIL-T-27730A, UL Listed	White	0000000	0000	0000
1/2"	14	0.7	10,000	10,000	-450° to 550°	1"	FDA Compliant 21 CFR 177.1550, MIL-T-27730A, UL Listed	White	0000000	0000	0000
3/4"	14	0.7	10,000	10,000	-450° to 550°	1 1/2"	FDA Compliant 21 CFR 177.1550, MIL-T-27730A, UL Listed	White	0000000	0000	0000
1"	14	0.7	10,000	10,000	-450° to 550°	2"	FDA Compliant 21 CFR 177.1550, MIL-T-27730A, UL Listed	White	0000000	0000	0000
1 1/2"	14	0.7	10,000	10,000	-450° to 550°	3"	FDA Compliant 21 CFR 177.1550, MIL-T-27730A, UL Listed	White	0000000	0000	0000
2"	14	0.7	10,000	10,000	-450° to 550°	4"	FDA Compliant 21 CFR 177.1550, MIL-T-27730A, UL Listed	White	0000000	00000	0000

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