4320-00-184-9238 IMPELLER,PUMP,CENTRIFUGAL Index 3020-00-184-9245 GEAR,SPUR

National Stock Number:
3020-00-184-9239

Federal Supply Class:
3020

National Item Identification Number:
001849239

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:
258465780064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
MATERIALSTEEL COMP 4620H OR
STEEL COMP 8617H OR
STEEL COMP 8620H OR
STEEL COMP 8822H OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND
40.0 ROCKWELL C MAXIMUM HUB
58.0 ROCKWELL C MINIMUM AND
62.0 ROCKWELL C MAXIMUM TEETH
TEETH QUANTITY65
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUBS
PITCH DIAMETER10.8333 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER11.115 INCHES
FACE NOMINAL WIDTH1.000 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.300 INCHES BOTH ENDS
BORE STYLEINVOLUTE SPLINE BOTH ENDS
BORE NOMINAL DIAMETER2.508 INCHES BOTH ENDS
SPLINE QUANTITY24 BOTH ENDS
SPLINE PITCH DIAMETER2.4000 INCHES NOMINAL BOTH ENDS
COUNTERBORE NOMINAL DEPTH0.300 INCHES FIRST END
HUB NOMINAL DIAMETER3.230 INCHES BOTH ENDS
BODY STYLEWEBBED, WITH LIGHTENING HOLES
SPECIAL FEATURESCOUNTERBORE 1ST END 2.600 IN. DIA BY 0.300 IN. DEEP


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