National Item Identification Number
00-833-2381
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)
98738
HERLEY INDUSTRIES INC.
DBA D/B/A HERLEY CHICAGO
2250 E. DEVON SUITE 211
DES PLAINES
IL
60018
630-616-8633
Reference Numbers (Part Numbers)
584580
Required Categories
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
STYLE DESIGNATOR
HOLE
Required Description
MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR
ASTM A582 ASSN STD 2ND MATERIAL RE