National Item Identification Number
01-291-9095
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)
43689
43689
43689
53711
53711
Reference Numbers (Part Numbers)
1507-105 ITEM 34
1507-81 ITEM 15
704-5858537 ITEM 15
704-5858537 ITEM 15
704
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
HOLE DIAMETER
OVERALL HEIGHT
R
Required Description
NICKEL ALLOY 400 OVERALL
QQ-N-281,CL A,FORM 6 FED SPEC SINGLE MATERIAL RESPONSE