3020-00-155-4380 GEAR,SPUR Index 4320-00-155-4382 PUMP,CENTRIFUGAL

National Stock Number:
3020-00-155-4381

Federal Supply Class:
3020

National Item Identification Number:
001554381

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:
135B689405606GENERAL DYNAMICS-OTS, INC.


Techincal Specification:
MATERIALSTEEL COMP 4140 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL STD 171 FINISH 5.3.1.2 OR 5.2.2.2 MIL STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY40
TOOTH FORMSTANDARD
PRESSURE ANGLE20.0000 DEGREES
PRECISION CLASSIFICATIONQUALITY NUMBER 7
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER1.6667 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER1.737 INCHES
FACE NOMINAL WIDTH0.155 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.255 INCHES FIRST END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER0.251 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN FIRST END
HUB NOMINAL DIAMETER0.430 INCHES FIRST END
BODY STYLEPLAIN, SOLID
ATTACHMENT METHODMOUNTING HOLE
MOUNTING HOLE TYPE AND QUANTITY1 PLAIN TRANSVERSELY THROUGH HUB, FIRST END
MOUNTING HOLE NOMINAL DIAMETER0.096 INCHES TRANSVERSELY THROUGH HUB, FIRST END
THE MANUFACTURERS DATA
MANUFACTURERS CODE05606
DESIGN CONTROL REFERENCE135B6894


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