4820-00-689-3219 VALVE,CHECK Index 3040-00-689-3221 GEARSHAFT,SPUR

National Stock Number:
3020-00-689-3220

Federal Supply Class:
3020

National Item Identification Number:
006893220

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:
258772353711NAVAL SEA SYSTEMS COMMAND
258772380064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY STYLEWEBBED, SOLID
BORE NOMINAL DIAMETER6.561 INCHES BOTH ENDS
BORE STYLEINVOLUTE SPLINE BOTH ENDS
FACE NOMINAL WIDTH1.250 INCHES
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM TEETH
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER5.090 INCHES SECOND END
HUB NOMINAL DIAMETER7.000 INCHES FIRST END
MATERIALSTEEL OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.276 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END2.381 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER8.000 INCHES
PITCH DIAMETER7.6667 INCHES NOMINAL
PRESSURE ANGLE25.0000 DEGREES
SPLINE PITCH DIAMETER6.3333 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY76 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY46
TOOTH FORMSTANDARD


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