Concave Washer

Model / MPN: 4084-06 | NSN: 5310-00-975-2741

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

5310-00-975-2741

Sold in multiples of

1 EA

DEMIL

Hole Diameter

Between 0.435 inches and 0.445 inches

Radius

Between 0.385 inches and 0.415 inches

Outside Diameter

0.640 inches

Recess Diameter

0.620 inches

Material Thickness

Between 0.105 inches and 0.135 inches

Hardness Rating

Between 41.0 rockwell c and 48.0 rockwell c

Material

Steel

Material Specification

Ams 6304 assn standard single material response

Surface Treatment

Nickel and zinc

Surface Treatment Specification

Ams 2417 assn standard 1st treatment response and ams 2417 assn standard 2nd treatment response

Style Designator

Concave

Specification Data

80205-nas1288 professional/industrial association standard

4084 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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ISO 9001:2015 + AS9120B
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100% Product Inspections
7 Year Record Retention
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4084-06 Cross Reference

NAS1288-6W
4084-06