NSN 5306-00-377-6777, 5306003776777 Details - Bolt Key Head Parts List

Item Name	Bolt Key Head
Federal Supply Group (FSG)	Hardware and Abrasives
Federal Supply Class (FSC)	5306 Bolts
National Item Identification Number (NIIN)	00-377-6777 (003776777)
NCB Code	USA (00)

Part No	Manufacturer	Item Name	QTY	RFQ
5224	pettibone corp	bolt key head	Avl	RFQ
X5224	pettibone corp	bolt key head	Avl	RFQ

Technical Characteristics of NSN 5306003776777

MRC	Criteria	Characteristic
AAJD	THREAD CLASS	2A
AAJF	THREAD DIRECTION	RIGHT-HAND
AASA	THREAD LENGTH	2.500 INCHES MINIMUM
AASB	FASTENER LENGTH	6.500 INCHES NOMINAL
AASK	HEAD STYLE	FLAT COUNTERSUNK REVERSE KEYED
AASL	HEAD DIAMETER	2.156 INCHES NOMINAL
AAST	KEY LENGTH	0.469 INCHES NOMINAL
AASU	HEAD HEIGHT	0.656 INCHES NOMINAL
AHYM	NOMINAL THREAD DIAMETER	1.250 INCHES
CMLP	THREAD QUANTITY PER INCH	7
CQFM	HARDNESS RATING	38.0 ROCKWELL C MINIMUM OVERALL AND 42.0 ROCKWELL C MAXIMUM OVERALL
CRSQ	COUNTERSINK ANGLE	78.0 DEGREES NOMINAL
FEAT	SPECIAL FEATURES	FURNISHED W/1 NUT AND 1 WASHER
MATT	MATERIAL	STEEL COMP 4140 OVERALL
THSD	THREAD SERIES DESIGNATOR	UNC

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