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Mil. Spec. Washers
Choose these washers for their adherence to strict military standards for material and construction.
18-8 stainless steel and 321 stainless steel washers have excellent corrosion resistance in most environments. They may be mildly magnetic. Passivated 18-8 stainless steel washers have added protection against oxidation and corrosion.
For technical drawings and 3-D models, click on a part number.
For Screw Size | ID | OD | Thick. | Hardness | Specifications Met | Pkg. Qty. | Pkg. | |
Passivated 18-8 Stainless Steel | ||||||||
---|---|---|---|---|---|---|---|---|
MS14151 | ||||||||
No. 6 | 0.187" | 0.560" | 0.017"-0.023" | Rockwell B68 | MS14151-6 | 100 | 000000000 | 000000 |
Chemical-Resistant Plastic Washers
These washers surpass most other plastic washers when it comes to withstanding chemicals, oil, and grease. They are excellent electrical insulators.
PTFE washers withstand high temperatures and have a slippery surface that resists wear in high-friction applications.
For technical drawings and 3-D models, click on a part number.
Electrical-Insulating Sleeve Washers
Also known as shoulder or insulator washers, these nonmetal washers block electrical current and prevent galvanic corrosion from mating different types of metal.
Nylon 6/6 washers have good abrasion resistance. Exposure to moisture may cause them to expand.
For technical drawings and 3-D models, click on a part number.
Sleeve | Temperature Range, °F | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Screw Size | ID | OD | OD | Ht. | Thick. | Overall Ht. | Min. | Max. | Hardness | Color | Pkg. Qty. | Pkg. | |
Nylon 6/6 Plastic | |||||||||||||
No. 10 | 0.187" | 0.375" | 0.245" | 0.140" | 0.031" | 0.171" | -40° | 180° | Rockwell R108 | Off-White | 100 | 000000000 | 000000 |
Square Washers
Square washers fit into slots and channels and have flat sides to keep them from rotating. They are wider and thicker than most round washers, making them good for distributing heavy loads.
316 stainless steel washers have excellent resistance to chemicals and saltwater. They may be mildly magnetic.
For technical drawings and 3-D models, click on a part number.
Shims for Lengthening Screw Shoulders
Spin these shims onto screw threads to extend the shoulder length.
Spring steel shims are harder and hold their shape better than stainless steel shims.
For technical drawings and 3-D models, click on a part number.
For Shoulder Dia. | For Screw Size | ID | ID Tolerance | OD | OD Tolerance | Min. Hardness | Magnetic Properties | Pkg. Qty. | Pkg. | |
0.032" Thick. (-0.0015" to 0.0015" Tolerance) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
1/4" | No. 10 | 0.187" | 0" to 0.011" | 0.248" | -0.002" to 0.002" | Rockwell C40 | Magnetic | 25 | 000000000 | 000000 |
Wave Disc Springs
With multiple contact points to distribute the load, wave disc springs provide more balanced support than curved and notched disc springs. They're also known as wave spring washers.
For technical drawings and 3-D models, click on a part number.
ID | OD | Thick. | Ht. | Compressed Ht. @ Working Load | Working Load, lbs. | Material | Pkg. Qty. | Pkg. | |
0.187" | 0.265" | 0.008" | 0.06" | 0.056" | 7 | Steel | 10 | 00000000 | 000000 |