National Item Identification Number
01-378-9164
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)
1W025
76823
Reference Numbers (Part Numbers)
DAA7227D027-001
DAA7227D027-001
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
STEEL CORROSION RESISTING OVERALL
BAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE O
