National Item Identification Number
01-256-0423
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)
8V613
NSN (National Stock Number) 5310-01-256-0423, 5310012560423 NIIN (National Identification Number) 01-256-0423, 012560423
Part Numbers (Reference Numbers)
7-311512112-3
7-311512112-3
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
STEEL COMP 630 OVERALL
AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PASS