National Stock Number (NSN) 3020-00-761-6972 (3020007616972) 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)	00-761-6972 (007616972)
NCB Code	USA (00)
Manufacturer	Profile Gear Corp, L And E Machine Experimental Lab Inc, Lucent Technologies Inc, At And T Corp

Part Number	Manufacturer	Item Name	Cage Code	RFQ
7616972	profile gear corp	gear spur	63689	RFQ
7616972	l and e machine experimental lab inc	gear spur	34411	RFQ
B0722909	lucent technologies inc	gear spur	01714	RFQ
B0722909	at and t corp	gear spur	70408	RFQ

MRC	Criteria	Characteristic
AGJS	PITCH DIAMETER	4.5000 INCHES NOMINAL
AJLA	TEETH QUANTITY	36
CWCD	NOMINAL OUTSIDE DIAMETER	4.700 INCHES
CWPP	PRESSURE ANGLE	20.0000 DEGREES
CWRM	FACE NOMINAL WIDTH	1.375 INCHES
CWRS	BORE NOMINAL DIAMETER	2.219 INCHES FIRST END
CWTG	COUNTERBORE NOMINAL DIAMETER	2.440 INCHES SECOND END
FEAT	SPECIAL FEATURES	BORE GROOVED 0.089 IN. W,2.570 IN. DIA,0.040 IN. FROM 1ST END,PILOT HOLE 0.187 IN. DIA LOCATED THRU GEAR BODY 1.651 IN. FROM CENTER OF BORE
SFTT	SURFACE TREATMENT	ZINC OVERALL
STDC	SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-Z-325,TYPE,CLASS2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AAQL	BODY STYLE	PLAIN,SOLID
ANTP	BORE STYLE	W/COUNTERBORE BOTH ENDS
CQFM	HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
CWNH	TOOTH FORM	STANDARD
CWTB	COUNTERBORE NOMINAL DEPTH	1.249 INCHES SECOND END
CWWK	PRECISION CLASSIFICATION	QUALITY NUMBER 6 OR QUALITY NUMBER 7
MATT	MATERIAL	STEEL OVERALL
MDCL	MATERIAL DOCUMENT AND CLASSIFICATION	66,AISI/SAE 4150 FED STD SINGLE MATERIAL RESPONSE OVERALL
STYL	STYLE DESIGNATOR	HUBLESS