Concave Washer

Model / MPN: HL382-16PBW | NSN: 5310-00-237-7705

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is recessed to form a curved or spherical contour. See also washer (1), convex. Excludes washer (1), recessed and bearing, washer, thrust.

Product Details

NATO Stock Number

5310-00-237-7705

Sold in multiples of

1 EA

DEMIL

Hole Diameter

0.685 inches

Radius

0.375 inches

Outside Diameter

Between 0.935 inches and 0.945 inches

Recess Depth

0.156 inches

Material Thickness

0.252 inches

Material

Steel comp 630 or steel comp 631 or steel comp 632

Material Specification

Ams 5643 assn standard 1st material response or ams 5528 assn standard 2nd material response or ams 5520 assn standard 3rd material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response

Style Designator

Concave

Specification Data

76301-st3-552 manufacturers standard

HL382 Series Parts

Pricing and Availability

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HL382-16PBW Cross Reference

ST3M552-8
HL382-16PBW
HL382-16PBW