4820-00-081-8103 VALVE,SAFETY RELIEF Index 3020-00-081-8109 GEAR,HELICAL

National Stock Number:
3020-00-081-8108

Federal Supply Class:
3020

National Item Identification Number:
000818108

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:
100570456232LOCKHEED MARTIN CORPORATION
226988010001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
MATERIALCOPPER ALLOY 675 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-728,CLASS A,COMP HARD /D/ FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TEETH QUANTITY100
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER3.1250 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER3.186 INCHES
FACE NOMINAL WIDTH0.312 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.318 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.500 INCHES BOTH ENDS
HUB STYLE DESIGNATORSPLIT FIRST END
HUB NOMINAL DIAMETER0.875 INCHES FIRST END
CLAMPING SURFACE NOMINAL LENGTH0.156 INCHES FIRST END
BODY STYLEPLAIN, SOLID
ATTACHMENT METHODMOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY1 PLAIN TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL DIAMETER0.156 INCHES TRANSVERSELY THROUGH HUB, FIRST END
THE MANUFACTURERS DATA
MANUFACTURERS CODE10001
DESIGN CONTROL REFERENCE2269880


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