3020-01-149-6769 GEAR,SPUR Index 3020-01-149-6771 GEAR,SPUR

National Stock Number:
3020-01-149-6770

Federal Supply Class:
3020

National Item Identification Number:
011496770

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:
501-215996480064NAVAL SHIP SYSTEMS COMMAND
77643-42X996169ELECTRIC BOAT CORPORATION
SSN637-501-215996480064NAVAL SHIP SYSTEMS COMMAND
SSN637-501-2159964 PIECE 2080064NAVAL SHIP SYSTEMS COMMAND
77643-42X9 PIECE 2096169ELECTRIC BOAT CORPORATION


Techincal Specification:
MATERIALSTEEL COMP 4140 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE AND
AISI/SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TEETH QUANTITY21
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
PITCH DIAMETER3.5000 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER3.833 INCHES
FACE NOMINAL WIDTH0.750 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END1.250 INCHES FIRST END
0.500 INCHES SECOND END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER1.251 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER1.623 INCHES FIRST END
1.625 INCHES SECOND END
BODY STYLEPLAIN, SOLID
FEATURES PROVIDEDINTEGRAL KEY


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