National Stock Number (NSN) 5310-00-052-0326 (5310000520326) 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)	00-052-0326 (000520326)
NCB Code	USA (00)
Manufacturer	Dimcogray Corporation, Cardwell Condester Corp, Raytheon Company, Aeronautical Standards Group, Military Standards Corp, Norden Carl L Co Inc, Navair And Navsea Managed

Part Number	Manufacturer	Item Name	Cage Code	RFQ
A104-6-3	dimcogray corporation	washer spring tension	80813	RFQ
537B21-41	cardwell condester corp	washer spring tension	94033	RFQ
2690183-0001	raytheon company	washer spring tension	96214	RFQ
4051323-0703	raytheon company	washer spring tension	06845	RFQ
AN3195-41	aeronautical standards group	washer spring tension	88044	RFQ
MS21332-41	military standards corp	washer spring tension	96906	RFQ
3038-9127	norden carl l co inc	washer spring tension	43959	RFQ
837689	navair and navsea managed	washer spring tension	10001	RFQ

MRC	Criteria	Characteristic
AAUB	HOLE DIAMETER	0.197 INCHES MINIMUM AND 0.201 INCHES MAXIMUM
ABKV	OUTSIDE DIAMETER	0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
ABPX	MATERIAL THICKNESS	0.008 INCHES MINIMUM AND 0.012 INCHES MAXIMUM
MATT	MATERIAL	COPPER ALLOY OVERALL
SFTT	SURFACE TREATMENT	NICKEL OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-N-290,CL 1,TY 5 FED SPEC SINGLE TREATMENT RESPONSE OVERALL