National Item Identification Number
01-143-4201
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)
D9182
96046
CRANE PUMPS & SYSTEMS INC
420 3RD ST
PIQUA
OH
45356
937-615-3553
D9182
96046
CRANE PUMPS & SYSTEMS INC
420 3RD ST
PIQUA
OH
45356
937-615-3553
Reference Numbers (Part Numbers)
21181
21181
21181-C
21181C
Required Categories
MATERIAL
COLOR
STYLE DESIGNATOR
HOLE DIAMETER
OUTSIDE DIAMETER
OVERALL HEIG
Required Description
COPPER ALLOY OVERALL
YELLOW OVERALL
34 RECESSED
0.281 INCHES NOMINAL
0.750 I