National Item Identification Number
01-226-4957
National Stock Number
Item Name
WASHER,CONCAVE
Federal Supply Class
5310
Description
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.
Commercial and Government Entity Code (Supplier Data)
99167
Reference Numbers (Part Numbers)
953B871-1
953B871-1
Required Categories
MATERIAL
SURFACE TREATMENT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
STYL
Required Description
STEEL OVERALL
OXIDE OVERALL
MIL-C-13924, CL 1 MIL SPEC SINGLE TREATMENT RESPON
