National Item Identification Number
00-378-5142
National Stock Number
Item Name
WASHER,RECESSED
Federal Supply Class
5310
Referenced on: http://www.tpub.com/content/meteorology/TM-11-6660-204-24P-1/TM-11-6660-204-24P-10069.htm
Referenced on: http://www.tpub.com/content/meteorology/TM-11-6660-204-24P-1/TM-11-6660-204-24P-10108.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)
80063
31922
LEEDS AND NORTHRUP CO
A UNIT OF GENERAL SIGNAL CORP
1100 VIRGINIA DR
FORT WASHINGTON
PA
19034
215-641-0826
NSN (National Stock Number) 5310-00-378-5142, 5310003785142 NIIN (National Identification Number) 00-378-5142, 003785142
Part Numbers (Reference Numbers)
SCB125604
SK5320-5097
Required Categories
MATERIAL
STYLE DESIGNATOR
HOLE DIAMETER
OUTSIDE DIAMETER
OVERALL HEIGHT
REC
Required Description
COPPER ALLOY 360 OVERALL
3 SPRING TENSION
0.204 INCHES MINIMUM AND
0.214 INCH