Lock Washer

Model / MPN: 31397 | NSN: 5310-00-167-0662

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Product Details

NATO Stock Number

5310-00-167-0662

Sold in multiples of

1 HD

DEMIL

Hole Diameter

Between 0.194 inches and 0.205 inches

Outside Diameter

0.323 inches

Material Thickness

Between 0.040 inches and 0.046 inches

Hardness Rating

Between 45.0 rockwell c and 53.0 rockwell c

Material

Steel

Surface Treatment

Cadmium

Style Designator

Split helical-right hand

31397 Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
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Worldwide Shipping

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