3020-00-987-1956 GEAR,SPUR Index 3020-00-987-1958 GEAR,SPUR

National Stock Number:
3020-00-987-1957

Federal Supply Class:
3020

National Item Identification Number:
009871957

Description:
GEAR,SPUR

Detail:
A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.


Manufacturer Information:
682404024617GENERAL MOTORS CORP
682404073342ALLISON TRANSMISSION INC
684086211867EQUITABLE ENGINEERING COMPANY INC.
684086224617GENERAL MOTORS CORP
684086263005ROLLS-ROYCE CORPORATION
684086273342ALLISON TRANSMISSION INC


Techincal Specification:
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS6265 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTOXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
TEETH QUANTITY55
PRESSURE ANGLE25.0000 DEGREES
STYLE DESIGNATORRECESSED HUBS
PITCH DIAMETER5.5000 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER5.700 INCHES
FACE NOMINAL WIDTH0.500 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END0.144 INCHES FIRST END
0.022 INCHES SECOND END
BORE STYLEINVOLUTE SPLINE BOTH ENDS
BORE NOMINAL DIAMETER1.780 INCHES BOTH ENDS
SPLINE QUANTITY27 BOTH ENDS
SPLINE PITCH DIAMETER1.6875 INCHES NOMINAL BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER2.080 INCHES BOTH ENDS
BODY STYLEWEBBED, SOLID
FEATURES PROVIDEDCASEHARDENED
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATIONFEAT


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