Convex Washer

Model / MPN: K39781-5 | NSN: 5310-01-284-2986

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 raised to form a curved or spherical contour. See also washer (1), concave. Excludes bearing, washer thrust.

Product Details

NATO Stock Number

5310-01-284-2986

Sold in multiples of

100 EA

DEMIL

Hole Diameter

Between 0.323 inches and 0.333 inches

Outside Diameter

Between 0.582 inches and 0.592 inches

Material Thickness

Between 0.104 inches and 0.124 inches

Hardness Rating

Between 40.0 rockwell c and 46.0 rockwell c

Surface Finish

32.0 microinches all surfaces

Material

Steel comp 8740 or steel comp 4130

Material Specification

Mil-s-6049 military specification 1st material response or mil-s-6758 military specification 2nd material response or mil-s-18729 military specification 2nd material response

Surface Treatment

Cadmium or chromate

Surface Treatment Specification

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

Style Designator

Convex

K39781 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.

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K39781-5 Cross Reference

M45595/6-03
MIL-W-45595/6