National Stock Number (NSN) 3020-00-253-0397 (3020002530397) Parts List

Item Name	Gear 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)	00-253-0397 (002530397)
NCB Code	USA (00)
Manufacturer	Navair And Navsea Managed, Grant Gear Works Inc, L And E Machine Experimental Lab Inc

Part Number	Manufacturer	Item Name	Cage Code	RFQ
SP10606	navair and navsea managed	gear spur	10001	RFQ
TP10606	grant gear works inc	gear spur	73940	RFQ
TP10606	l and e machine experimental lab inc	gear spur	34411	RFQ

MRC	Criteria	Characteristic
AAQL	BODY STYLE	PLAIN,SOLID
AGJS	PITCH DIAMETER	2.1670 INCHES NOMINAL
AJLA	TEETH QUANTITY	13
ANTP	BORE STYLE	W/ 2 KEYWAYS BOTH ENDS
CQFM	HARDNESS RATING	40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
CWCD	NOMINAL OUTSIDE DIAMETER	2.4170 INCHES
CWNH	TOOTH FORM	STANDARD
CWPP	PRESSURE ANGLE	20.0000 DEGREES
CWQL	NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.1200 INCHES SECOND END
CWQL	NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.5330 INCHES FIRST END
CWRM	FACE NOMINAL WIDTH	1.5000 INCHES
CWRS	BORE NOMINAL DIAMETER	0.9379 INCHES BOTH ENDS
CWSN	KEYWAY NOMINAL WIDTH	0.2015 INCHES BOTH ENDS
CWSR	NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM	0.5698 INCHES BOTH ENDS
CWTR	HUB STYLE DESIGNATOR	PLAIN BOTH ENDS
CWTX	HUB NOMINAL DIAMETER	1.7500 INCHES BOTH ENDS
MATT	MATERIAL	STEEL OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-624-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STYL	STYLE DESIGNATOR	PROTRUDING HUBS