4820-00-169-5317 VALVE,SAFETY RELIEF Index 4820-00-169-5324 SEAT,VALVE

National Stock Number:
3020-00-169-5318

Federal Supply Class:
3020

National Item Identification Number:
001695318

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:
245429610001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
ATTACHMENT METHODMOUNTING HOLE
BODY STYLEPLAIN, WITH LIGHTENING HOLES
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.250 INCHES BOTH ENDS
FACE NOMINAL WIDTH0.125 INCHES
HUB NOMINAL DIAMETER0.437 INCHES FIRST END
HUB STYLE DESIGNATORPINNED FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720,COMP 303S MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
MOUNTING HOLE NOMINAL DIAMETER0.096 INCHES TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE TYPE AND QUANTITY2 PLAIN AXIALLY THROUGH BODY, SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.218 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER1.999 INCHES
NOMINAL OVERALL LENGTH0.343 INCHES
PITCH DIAMETER1.9573 INCHES MINIMUM AND 1.9583 INCHES MAXIMUM
PRECISION CLASSIFICATIONQUALITY NUMBER 10
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESPLAIN HOLES 180 DEG APART
STYLE DESIGNATORPROTRUDING HUB
TEETH QUANTITY94
TOOTH FORMSTANDARD


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