National Item Identification Number
00-149-9119
National Stock Number
Item Name
WASHER,RECESSED
Federal Supply Class
5310
Referenced on: http://flightsafety.tpub.com//TB-1-1520-237-20-232/TB-1-1520-237-20-2320002.htm
Referenced on: http://flightsafety.tpub.com//TB-1-1520-237-20-232/TB-1-1520-237-20-2320007.htm
Referenced on: http://flightsafety.tpub.com//TB-1-1520-237-20-237/TB-1-1520-237-20-2370005.htmDescription
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)
78062
32345
DEFENSE REDUCTION AGENCY
MS 6201
8725 JOHN J KINGMAN RD
FORT BELVOIR
VA
22060
703-767-0832
Reference Numbers (Part Numbers)
MS20002C12
NAS143-12C
21326 FIND 27
805109-00
Required Categories
MATERIAL
MATERIAL DOCUMENT AND CLASSIFICATION
SURFACE TREATMENT
SURFACE TREAT
Required Description
STEEL COMP 1330 OR
STEEL COMP 4130 OVERALL
66 FED STD SINGLE MATERIAL RESPONSE