Lock Washer

Model / MPN: 178542 | NSN: 5310-00-017-8542

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

5310-00-017-8542

Sold in multiples of

DEMIL

Hole Diameter

Between 0.320 inches and 0.332 inches

Outside Diameter

Between 1.045 inches and 1.070 inches

Material Thickness

Between 0.042 inches and 0.050 inches

Hardness Rating

Between 40.0 rockwell c and 50.0 rockwell c

Material

Steel comp 1060 or steel comp 1065 or steel comp 1070 or steel comp 1075 or steel comp 1080

Material Specification

Qq-s-633 canc federal specification all material responses

Surface Treatment

Cadmium or zinc

Style Designator

Flat external and internal teeth

17854 Series Parts

Pricing and Availability

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178542 Cross Reference

178542
178542
356309S7
178542