National Item Identification Number
00-010-8214
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)
22907
NORTHSTAR AEROSPACE CHICAGO INC
6006 W 73RD ST
BEDFORD PARK
IL
60638
708-728-2045
Reference Numbers (Part Numbers)
641012-1
Required Categories
MATERIAL
STYLE DESIGNATOR
HOLE DIAMETER
OUTSIDE DIAMETER
OVERALL HEIGHT
REC
Required Description
STEEL OVERALL
16 RECESS
0.890 INCHES NOMINAL
1.370 INCHES MINIMUM AND
1.375