National Item Identification Number
00-601-4184
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)
80063
28528
ITT INDUSTRIES INC
ITT AEROSPACE COMMUNICATIONS
100 KINGSLAND RD
CLIFTON
NJ
07014
973-284-0123
Reference Numbers (Part Numbers)
SM-B-283486
SMB283486
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
HOLE DIAMETER
Required Description
STEEL COMP 430 OVERALL
QQ-S-766 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERAL