3020-01-247-0539 GEAR,SPUR Index 4730-01-247-0541 COUPLING,TUBE

National Stock Number:
3020-01-247-0540

Federal Supply Class:
3020

National Item Identification Number:
012470540

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:
1395AS34030003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
MATERIALSTEEL COMP 4340 OR
STEEL COMP 4130 OR
STEEL COMP 4140 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A322 ASSN STD 1ST MATERIAL RESPONSE OR
ASTM-A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING33.0 ROCKWELL C MINIMUM AND
38.0 ROCKWELL C MAXIMUM OVERALL
TEETH QUANTITY14
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORPROTRUDING HUB
PITCH DIAMETER2.3333 INCHES NOMINAL
NOMINAL OUTSIDE DIAMETER2.741 INCHES
FACE NOMINAL WIDTH0.250 INCHES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.480 INCHES SECOND END
BORE STYLEPLAIN BOTH ENDS
BORE NOMINAL DIAMETER1.375 INCHES BOTH ENDS
HUB STYLE DESIGNATORPLAIN SECOND END
HUB NOMINAL DIAMETER1.600 INCHES SECOND END
BODY STYLEPLAIN, SOLID


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