National Stock Number (NSN) 5310-01-263-4347 (5310012634347) Parts List

Item Name	Washer Spring Tension
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5310 Nuts and Washers
National Item Identification Number (NIIN)	01-263-4347 (012634347)
NCB Code	USA (01)
Manufacturer	Roller Bearing Company Of America, Matthews Marine Systems, Barnes Group Inc, Rolex Company, Eldec Corporation

Part Number	Manufacturer	Item Name	Cage Code	RFQ
WA25-01	roller bearing company of america	washer spring tension	00141	RFQ
SP-73205	matthews marine systems	washer spring tension	4xny8	RFQ
WA25-01	barnes group inc	washer spring tension	77535	RFQ
SP-73205	rolex company	washer spring tension	02368	RFQ
WA25-01	eldec corporation	washer spring tension	08748	RFQ

MRC	Criteria	Characteristic
AAUB	HOLE DIAMETER	0.126 INCHES NOMINAL
ABKV	OUTSIDE DIAMETER	0.276 INCHES NOMINAL
ABKW	OVERALL HEIGHT	0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM
ABPX	MATERIAL THICKNESS	0.020 INCHES NOMINAL
CQFM	HARDNESS RATING	43.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
MATT	MATERIAL	STEEL COMP 631 OVERALL
SFTT	SURFACE TREATMENT	ZINC OVERALL
STYL	STYLE DESIGNATOR	SPRING TENSION