National Item Identification Number
01-455-1280
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)
4A060
C & W MANUFACTURING COMPANY
74 EASTERN BOULEVARD
GLASTONBURY
CT
06033
860-633-4631
0BJB5
FORREST MACHINE INC
21 LAUREL RD
ROCKY HILL
CT
06067
860-563-1796
18876
Reference Numbers (Part Numbers)
CWM719
FM1719
13210719
Required Categories
MATERIAL
SURFACE TREATMENT
STYLE DESIGNATOR
OUTSIDE DIAMETER
MATERIAL THICKN
Required Description
STEEL CORROSION RESISTING OVERALL
PASSIVATE OVERALL
15 RECESS
6.07 MILLIMETER