7643-01-487-8203 TOPOGRAPHIC GEOSPATIAL PRODUCTS Index 7643-01-487-8205 TOPOGRAPHIC GEOSPATIAL PRODUCTS

National Stock Number:
3020-01-487-8204

Federal Supply Class:
3020

National Item Identification Number:
014878204

Description:
GEAR SECTOR,HELICAL

Detail:
A GEAR SECTOR WITH COMPLEMENTS OF HELICAL GEAR TEETH.


Manufacturer Information:
124-2266888 P/N 3353711NAVAL SEA SYSTEMS COMMAND
124-2266898 P/N 0153711NAVAL SEA SYSTEMS COMMAND
226688853711NAVAL SEA SYSTEMS COMMAND
226689853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
ARC NOMINAL LENGTH10.9375 INCHES
BORE NOMINAL WIDTH1.125 INCHES BOTH ENDS
BORE STYLESQUARE BOTH ENDS
FACE NOMINAL WIDTH1.9375 INCHES
HELIX ANGLE45.0000 DEGREES
HUB STYLE DESIGNATORPLAIN FIRST END
HUB STYLE DESIGNATORPLAIN SECOND END
HUB NOMINAL DIAMETER2.750 INCHES FIRST END
HUB NOMINAL DIAMETER3.000 INCHES SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16522, CL-1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 862 OR COPPER ALLOY 863 OVERALL
NOMINAL OUTSIDE RADIUS7.1410 INCHES
PITCH RADIUS7.0000 INCHES NOMINAL
SPECIAL FEATURESFITTING THREADED 7/8-9UNC-2A IN CENTER EDGE OF GEAR FACE. RADIOGRAPHIC EXAMINATION REQUIRED
STYLE DESIGNATORBACK HUB PROTRUDING
TEETH TYPESINGLE HELIX
TEETH QUANTITY16
TOOTH FORMSTUB


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