Complete Listing of NSN (3020009213212) Parts 3020-00-921-3212

Item Name	Gear Helical
Federal Supply Group (FSG)	Mechanical Power Transmission Equipment
Federal Supply Class (FSC)	3020 Gear Pulley Sprocket and Transmission Chain
National Item Identification Number (NIIN)	00-921-3212 (009213212)
NCB Code	USA (00)
Manufacturer	Industrial Parts Depot Inc, Caterpillar Inc, Reliance Comm Tec Corp

Part Number	Manufacturer	Item Name	Cage Code	RFQ
IPD7N4535	industrial parts depot inc	gear helical	55883	RFQ
1S6020	caterpillar inc	gear helical	11083	RFQ
IPD1S6020	industrial parts depot inc	gear helical	55883	RFQ
8M4636	caterpillar inc	gear helical	11083	RFQ
8M4636	reliance comm tec corp	gear helical	74006	RFQ
IPD8M4636	industrial parts depot inc	gear helical	55883	RFQ

MRC	Criteria	Characteristic
AAQL	BODY STYLE	WEBBED,OFFSET,SOLID
AGJS	PITCH DIAMETER	4.2000 INCHES NOMINAL
AJLA	TEETH QUANTITY	40
ANTP	BORE STYLE	TAPERED W/KEYWAY SECOND END
CQFM	HARDNESS RATING	22.8 ROCKWELL C MINIMUM OVERALL AND 29.9 ROCKWELL C MAXIMUM OVERALL
CWCD	NOMINAL OUTSIDE DIAMETER	4.400 INCHES
CWFR	NOMINAL OVERALL LENGTH	1.034 INCHES
CWMW	TEETH TYPE	SINGLE HELIX
CWNH	TOOTH FORM	STANDARD
CWNM	TOOTH DIRECTION	LEFT
CWPP	PRESSURE ANGLE	20.0000 DEGREES
CWPZ	HELIX ANGLE	17.7528 DEGREES
CWQL	NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.283 INCHES FIRST END
CWQR	NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END	0.222 INCHES SECOND END
CWRM	FACE NOMINAL WIDTH	0.750 INCHES
CWSN	KEYWAY NOMINAL WIDTH	0.158 INCHES BOTH ENDS
CWSR	NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM	0.447 INCHES BOTH ENDS
CWSW	TAPER MAJOR NOMINAL DIAMETER	0.736 INCHES SECOND END
CWTR	HUB STYLE DESIGNATOR	PLAIN BOTH ENDS
CWTX	HUB NOMINAL DIAMETER	1.550 INCHES FIRST END
CWTX	HUB NOMINAL DIAMETER	1.550 INCHES SECOND END
FEAT	SPECIAL FEATURES	TIMING MARKS A AND H STAMPED ON 2ND SIDE OF GEAR FACE 99 DEG ANGULAR RELATIONSHIP
MATT	MATERIAL	STEEL OVERALL
STYL	STYLE DESIGNATOR	ONE PROTRUDING HUB,ONE RECESSED HUB