4720-00-186-3935 HOSE ASSEMBLY,NONMETALLIC Index 4820-00-186-3939 VALVE,SAFETY RELIEF

National Stock Number:
3020-00-186-3936

Federal Supply Class:
3020

National Item Identification Number:
001863936

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:
258475180064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
BODY STYLEWEBBED, WITH LIGHTENING HOLES
BORE STYLEINVOLUTE SPLINE BOTH ENDS
BORE NOMINAL DIAMETER2.508 INCHES BOTH ENDS
FACE NOMINAL WIDTH1.130 INCHES
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM HUB
HARDNESS RATING58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM TEETH
HUB STYLE DESIGNATORPLAIN BOTH ENDS
HUB NOMINAL DIAMETER3.100 INCHES SECOND END
HUB NOMINAL DIAMETER3.230 INCHES FIRST END
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4620H OR STEEL COMP 8617H OR STEEL COMP 8620H OVERALL
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.310 INCHES SECOND END
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.853 INCHES FIRST END
NOMINAL OUTSIDE DIAMETER10.548 INCHES
PITCH DIAMETER10.3333 INCHES NOMINAL
PRESSURE ANGLE20.0000 DEGREES
SPECIAL FEATURESCOUNTERBORE BOTH ENDS,FIRST END DIA. 2.550 IN. NOMINAL DEPTH 0.620 IN. NOMINAL SECOND END DIA. 2.525 IN. NOMINAL DEPTH 0.305 IN. NOMINAL
SPLINE PITCH DIAMETER2.4000 INCHES NOMINAL BOTH ENDS
SPLINE QUANTITY24 BOTH ENDS
STYLE DESIGNATORPROTRUDING HUBS
TEETH QUANTITY62
TOOTH FORMSTANDARD


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