National Stock Number (NSN) 5310-00-612-3890 (5310006123890) Parts List

Item Name	Washer Shouldered And Recessed
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5310 Nuts and Washers
National Item Identification Number (NIIN)	00-612-3890 (006123890)
NCB Code	USA (00)
Manufacturer	Babcock And Wilcox Company The, The Babcock And Wilcox Company, Zf Industrieantriebe Witten Gmbh

Part Number	Manufacturer	Item Name	Cage Code	RFQ
51440B	babcock and wilcox company the	washer shouldered and recessed	05073	RFQ
306307E REV.1 PIECE 15	the babcock and wilcox company	washer shouldered and recessed	58529	RFQ
106840EPC15	babcock and wilcox company the	washer shouldered and recessed	05073	RFQ
135100EPC15	babcock and wilcox company the	washer shouldered and recessed	05073	RFQ
7800171	the babcock and wilcox company	washer shouldered and recessed	58529	RFQ
7800171	babcock and wilcox company the	washer shouldered and recessed	05073	RFQ
51440B	zf industrieantriebe witten gmbh	washer shouldered and recessed	d9182	RFQ

MRC	Criteria	Characteristic
AAUB	HOLE DIAMETER	0.639 INCHES NOMINAL
AAVH	SHOULDER DIAMETER	1.120 INCHES NOMINAL
ABKV	OUTSIDE DIAMETER	1.186 INCHES NOMINAL
ABMD	RECESS DIAMETER	0.862 INCHES NOMINAL
ABMG	SHOULDER HEIGHT	0.062 INCHES NOMINAL
ABPX	MATERIAL THICKNESS	0.090 INCHES NOMINAL
CSTM	RECESS ANGLE	30.0 DEGREES NOMINAL
MATT	MATERIAL	STEEL COMP 410 OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYL	STYLE DESIGNATOR	SHOULDERED AND RECESSED