4820-01-414-7956 VALVE ASSEMBLY,MANIFOLD Index 3020-01-414-7958 GEAR,SPUR

National Stock Number:
3020-01-414-7957

Federal Supply Class:
3020

National Item Identification Number:
014147957

Description:
GEAR,HELICAL

Detail:
A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:


Manufacturer Information:
655652853711NAVAL SEA SYSTEMS COMMAND
845-655652853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
BODY RECESS NOMINAL DEPTH0.462 INCHES BOTH ENDS
BODY STYLEPLAIN, SOLID
BORE NOMINAL DIAMETER1.540 INCHES BOTH ENDS
BORE STYLEPLAIN BOTH ENDS
FACE NOMINAL WIDTH1.517 INCHES
HELIX ANGLE14.9166 DEGREES
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130H OVERALL
NOMINAL OUTSIDE DIAMETER2.693 INCHES
PITCH DIAMETER2.4906 INCHES NOMINAL
PRECISION CLASSIFICATIONACCURACY GRADE 8
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORHUBLESS, RECESSED BODY
SURFACE TREATMENTCARBON OVERALL
TEETH QUANTITY24
TEETH TYPESINGLE HELIX
TOOTH FORMSTUB
TOOTH DIRECTIONRIGHT


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