National Item Identification Number
00-857-7167
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)
F6137
MESSIER-BUGATTI
ZONE MILITAIRE
BP 40
VELIZY VILLACOUBLAY
78140
FRANCE
01 46 29 81 00
92215
04236
LOCKHEED MARTIN CORPORATION
DBA LOCKHEED MARTIN SPACE SYSTEMS
12257 STATE HIGHWAY 121 LOC A
LITTLETON
CO
80125
303-555-5555
38597
Reference Numbers (Part Numbers)
VN900-6C
VN900-6C
21D5C6C
21D5C6C
Required Categories
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
STYLE DESIGNATOR
HOLE
Required Description
AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PASSIVATE OVERALL
15 RECESS