3020-00-837-9939 GEAR,HELICAL Index 5950-00-837-9944 COIL,RADIO FREQUENCY

National Stock Number:
3020-00-837-9943

Federal Supply Class:
3020

National Item Identification Number:
008379943

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:
1004402918876U S ARMY AVIATION AND MISSILE COMMAND
251-124SHA1201-1204P201351SOUTHERN GEAR & MACHINE INC
64124CT20-1204P234519HARMONIC DRIVE L.L.C.


Techincal Specification:
MATERIALALUMINUM ALLOY 2024 BODY
STEEL CORROSION RESISTING HUB
ALUMINUM ALLOY 2024 TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE TEETH
SURFACE TREATMENTANODIZE BODY
PASSIVATE HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY
TEETH QUANTITY12
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER1.9380 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER1.967 INCHES
FACE NOMINAL WIDTH0.125 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.375 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.120 INCHES BOTH ENDS
HUB STYLE DESIGNATORSPLIT FIRST END
HUB NOMINAL DIAMETER0.187 INCHES FIRST END
CLAMPING SURFACE NOMINAL LENGTH0.250 INCHES FIRST END
BODY STYLEPLAIN, WITH LIGHTENING HOLES
ATTACHMENT METHODCLAMP


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