5340-01-235-9199 STANDOFF,THREADED,SPACING Index 7025-01-235-9201 READER,PUNCHED TAPE

National Stock Number:
3020-01-235-9200

Federal Supply Class:
3020

National Item Identification Number:
012359200

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:
C5P2733378567SPECO CORP
C5P2733398750SAN ANTONIO AIR LOGISTICS CENTER


Techincal Specification:
BORE STYLEPLAIN FIRST END
BORE STYLEPLAIN SECOND END
BORE NOMINAL DIAMETER0.374 INCHES SECOND END
BORE NOMINAL DIAMETER0.530 INCHES FIRST END
CRITICALITY CODE JUSTIFICATIONFEAT
FURNISHED ITEMS AND QUANTITY1 DOWEL PIN AND 1 BORE INSERT
FACE NOMINAL WIDTH0.190 INCHES
HUB NOMINAL DIAMETER0.530 INCHES SECOND END
HUB STYLE DESIGNATORPLAIN SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, COND A FED SPEC SINGLE MATERIAL RESPONSE SLEEVE
MATERIALALUMINUM ALLOY 6061 BODY
MATERIALSTEEL COMP 304 SLEEVE
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.125 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.745 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER2.677 INCHES
PITCH DIAMETER2.6071 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 11
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESBORE INSERT IS SPLINED SLEEVE, 1.41 IN. O/A LG., 0.375 IN. OD, 9 INTERNAL TEETH. WEAPON SYSTEM ESSENTIAL
STYLE DESIGNATORPROTRUDING HUBS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TY 2 MIL SPEC SINGLE TREATMENT RESPONSE BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171, FN 5.4 MIL STD SINGLE TREATMENT RESPONSE SLEEVE
SURFACE TREATMENTANODIZE BODY
SURFACE TREATMENTPASSIVATE SLEEVE
TEETH QUANTITY73
TOOTH FORMSTUB


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