Complete Listing of NSN (3020002390653) Parts 3020-00-239-0653

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)	00-239-0653 (002390653)
NCB Code	USA (00)
Manufacturer	Northrop Grumman Systems Corporation, Westinghouse Electric Corp, Usm Corp

Part Number	Manufacturer	Item Name	Cage Code	RFQ
D2-8677PC126	northrop grumman systems corporation	gear helical	90099	RFQ
D2-8551PC103	westinghouse electric corp	gear helical	88657	RFQ
D2-8772PC103	usm corp	gear helical	73057	RFQ
D2-8551PC103	northrop grumman systems corporation	gear helical	90099	RFQ
D2-8853PC126	westinghouse electric corp	gear helical	88657	RFQ
D2-8677PC126	westinghouse electric corp	gear helical	88657	RFQ
D2-8551PC103	usm corp	gear helical	73057	RFQ
D2-8689PC126	northrop grumman systems corporation	gear helical	90099	RFQ
D2-8775PC126	northrop grumman systems corporation	gear helical	90099	RFQ
D2-8775PC126	westinghouse electric corp	gear helical	88657	RFQ
D2-8689-126	usm corp	gear helical	73057	RFQ
D2-8677PC126	usm corp	gear helical	73057	RFQ
N12018	westinghouse electric corp	gear helical	88657	RFQ
D2-8689PC126	westinghouse electric corp	gear helical	88657	RFQ
D2-8872PC103	westinghouse electric corp	gear helical	79500	RFQ
D2-8772PC103	westinghouse electric corp	gear helical	88657	RFQ
D2-8853PC126	northrop grumman systems corporation	gear helical	90099	RFQ
D2-8772PC103	northrop grumman systems corporation	gear helical	90099	RFQ
D2-8775PC126	usm corp	gear helical	73057	RFQ
D2-8689PC126	usm corp	gear helical	73057	RFQ
D2-8853PC126	usm corp	gear helical	73057	RFQ
N12018	northrop grumman systems corporation	gear helical	90099	RFQ

MRC	Criteria	Characteristic
AAQL	BODY STYLE	PLAIN,SOLID
AGJS	PITCH DIAMETER	8.4938 INCHES NOMINAL
AJLA	TEETH QUANTITY	45
ANTP	BORE STYLE	W/ KEYWAY BOTH ENDS
CQFM	HARDNESS RATING	10.0 ROCKWELL C MINIMUM OVERALL AND 20.0 ROCKWELL C MAXIMUM OVERALL
CWCD	NOMINAL OUTSIDE DIAMETER	8.7438 INCHES
CWFR	NOMINAL OVERALL LENGTH	3.750 INCHES
CWMW	TEETH TYPE	SINGLE HELIX
CWNH	TOOTH FORM	STANDARD
CWNM	TOOTH DIRECTION	RIGHT
CWPP	PRESSURE ANGLE	14.5000 DEGREES
CWQL	NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	0.250 INCHES SECOND END
CWQL	NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END	1.000 INCHES FIRST END
CWRM	FACE NOMINAL WIDTH	2.500 INCHES
CWRS	BORE NOMINAL DIAMETER	5.186 INCHES BOTH ENDS
CWSN	KEYWAY NOMINAL WIDTH	0.621 INCHES BOTH ENDS
CWSR	NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM	2.922 INCHES BOTH ENDS
CWTR	HUB STYLE DESIGNATOR	PLAIN BOTH ENDS
CWTX	HUB NOMINAL DIAMETER	6.750 INCHES FIRST END
CWTX	HUB NOMINAL DIAMETER	7.000 INCHES SECOND END
FEAT	SPECIAL FEATURES	TWO PULLER HOLES 1/2-13 NC THD 7/8 IN. DEEP IN SECOND HUB END
MATT	MATERIAL	STEEL OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-890,CLASS AN MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STYL	STYLE DESIGNATOR	PROTRUDING HUBS

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