3020-01-425-6856 GEAR,SPUR Index 3020-01-425-6858 GEAR CLUSTER

National Stock Number:
3020-01-425-6857

Federal Supply Class:
3020

National Item Identification Number:
014256857

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:
1237446401365MARINE CORPS LOGISTICS COMMAND TECHNICAL DATA REPOSITORY CUSTOMER SERVICE-MICC LOGISTICS OPERATIONS CENTER
1237446405606GENERAL DYNAMICS-OTS, INC.
1237446419207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
ATTACHMENT METHODINTERNAL RING GROOVE
BODY STYLEPLAIN, SOLID
BORE STYLEW/COUNTERBORE FIRST END
BORE NOMINAL DIAMETER1.150 INCHES BOTH ENDS
COUNTERBORE NOMINAL DEPTH0.870 INCHES COUNTERBORE FIRST END
COUNTERBORE NOMINAL DIAMETER1.260 INCHES COUNTERBORE FIRST END
FACE NOMINAL WIDTH0.960 INCHES
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 4340 OVERALL
NOMINAL OUTSIDE DIAMETER2.154 INCHES
PITCH DIAMETER2.0000 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORHUBLESS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
TEETH QUANTITY24


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