Concave Washer

Model / MPN: 9488 04 | NSN: 5310-01-124-5194

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

5310-01-124-5194

Sold in multiples of

DEMIL

Hole Diameter

Between 0.253 inches and 0.263 inches

Radius

Between 0.218 inches and 0.238 inches

Outside Diameter

Between 0.390 inches and 0.400 inches

Recess Diameter

Between 0.272 inches and 0.282 inches

Material Thickness

Between 0.062 inches and 0.087 inches

Hardness Rating

Between 40.0 rockwell c and 46.0 rockwell c

Material

Steel comp 8740

Material Specification

Aisi assn standard single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

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

Style Designator

Concave

9488 Series Parts

9488 04

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
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7 Year Record Retention
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9488 04 Cross Reference

9488 04