5985-00-135-0128 MAST SECTION Index 5841-00-135-0132 INDICATOR,HEIGHT

National Stock Number:
3020-00-135-0131

Federal Supply Class:
3020

National Item Identification Number:
001350131

Description:
GEAR,ANTIBACKLASH,SPUR

Detail:
An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.


Manufacturer Information:
242-609-009095542NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
ATTACHMENT METHODCLAMP
BORE NOMINAL DIAMETER0.1874 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
FACE NOMINAL WIDTH0.125 INCHES
HUB NOMINAL DIAMETER0.250 INCHES FIRST END
HUB STYLE DESIGNATORSPLIT FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024 T4 FED SPEC 1ST MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024 T4 FED SPEC 2ND MATERIAL RESPONSE TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303 COND A FED SPEC 3RD MATERIAL RESPONSE HUB
MATERIALALUMINUM ALLOY BODY
MATERIALALUMINUM ALLOY TEETH
MATERIALSTEEL HUB
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.313 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.2767 INCHES
PITCH DIAMETER1.2490 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE TEETH
SURFACE TREATMENTANODIZE BODY
SURFACE TREATMENTANODIZE TEETH
SURFACE TREATMENTPASSIVATE HUB
TEETH QUANTITY90


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