National Item Identification Number
00-476-7366
National Stock Number
Item Name
WASHER,RECESSED
Federal Supply Class
5310
Description
A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.
Commercial and Government Entity Code (Supplier Data)
76301
NSN (National Stock Number) 5310-00-476-7366, 5310004767366 NIIN (National Identification Number) 00-476-7366, 004767366
Part Numbers (Reference Numbers)
NAS1587-5C
74A322904-2225
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
STYLE DESIGNA
Required Description
STEEL COMP 321 OR
STEEL COMP 347 OR
STEEL COMP 348 OVERALL
QQ-S-763 FED SPEC