National Stock Number (NSN) 3020-00-547-0776 (3020005470776) Parts List

Item Name	Gear Antibacklash Spur
Federal Supply Group (FSG)	Mechanical Power Transmission Equipment
Federal Supply Class (FSC)	3020 Gear Pulley Sprocket and Transmission Chain
National Item Identification Number (NIIN)	00-547-0776 (005470776)
NCB Code	USA (00)
Manufacturer	General Dynamics Ots Global Inc, Astro Gear And Instrument Co Inc, Southern Gear And Machine Inc

Part Number	Manufacturer	Item Name	Cage Code	RFQ
139C7937	general dynamics ots global inc	gear antibacklash spur	05606	RFQ
A141-2-1	astro gear and instrument co inc	gear antibacklash spur	26420	RFQ
SGM031694002	southern gear and machine inc	gear antibacklash spur	01351	RFQ

MRC	Criteria	Characteristic
AGJS	PITCH DIAMETER	2.2990 INCHES MINIMUM AND 2.3000 INCHES MAXIMUM
AJLA	TEETH QUANTITY	23
ANTP	BORE STYLE	PLAIN BOTH ENDS
CWCD	NOMINAL OUTSIDE DIAMETER	2.499 INCHES
CWFR	NOMINAL OVERALL LENGTH	0.640 INCHES
CWNH	TOOTH FORM	STANDARD
CWPP	PRESSURE ANGLE	20.0000 DEGREES
CWRM	FACE NOMINAL WIDTH	0.300 INCHES
CWRS	BORE NOMINAL DIAMETER	0.250 INCHES BOTH ENDS
CWTR	HUB STYLE DESIGNATOR	PINNED FIRST END
CWTX	HUB NOMINAL DIAMETER	0.630 INCHES FIRST END
CWWK	PRECISION CLASSIFICATION	QUALITY NUMBER 10
MATT	MATERIAL	ALUMINUM ALLOY 2024 BODY
MATT	MATERIAL	STEEL COMP 303 HUB
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB
STYL	STYLE DESIGNATOR	PROTRUDING HUB