National Item Identification Number
00-833-7990
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)
13002
17576
55284
Reference Numbers (Part Numbers)
174457
174457
174457
174457
Required Categories
MATERIAL
SURFACE TREATMENT
STYLE DESIGNATOR
HOLE DIAMETER
OUTSIDE DIAMETER;
Required Description
COPPER ALLOY OVERALL
CADMIUM OVERALL
16 RECESS
1.160 INCHES NOMINAL
1.690 IN