3020-00-585-9900 GEAR,HELICAL Index 3020-00-585-9902 GEAR,SPUR

National Stock Number:
3020-00-585-9901

Federal Supply Class:
3020

National Item Identification Number:
005859901

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:
909193918876U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
BODY STYLEWEBBED, OFFSET, WITH LIGHTENING HOLES
FACE NOMINAL WIDTH1.250 INCHES
HARDNESS RATING74.0 ROCKWELL SUPERFICIAL 15-N MINIMUM TEETH
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7493,COMP 4620 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4620 OVERALL
NOMINAL OUTSIDE DIAMETER6.917 INCHES
PITCH DIAMETER6.7500 INCHES NOMINAL
PRECISION CLASSIFICATIONQUALITY NUMBER 9
PRESSURE ANGLE20.0000 DEGREES
STYLE DESIGNATORFLUSH HUB
TEETH QUANTITY81
TOOTH FORMSTANDARD


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