The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, body_style: SPOKED, bore_style: STRAIGHT SPLINE BOTH ENDS, pitch_diameter: 12.5000 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 100. This part is cataloged in the U.S.
Government catalog under NSN 3020-01-301-3020, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
WHERE IT FITS
71056012
NSN:3020-01-301-3020 FSC:3020 — Gears, Pulleys, Sprockets, and Transmission Chain CAGE:54209 — IOWA MOLD TOOLING CO INC (USA)
SPECIFICATIONS
material
STEEL COMP 4140 OVERALL
body_style
SPOKED
bore_style
STRAIGHT SPLINE BOTH ENDS
pitch_diameter
12.5000 INCHES NOMINAL IN
pressure_angle
20.0000 DEGREES
teeth_quantity
100
hardness_rating
40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
spline_quantity
13 BOTH ENDS
style_designator
HUBLESS
face_nominal_width
1.500 INCHES IN
bore_nominal_diameter
1.875 INCHES BOTH ENDS IN
end_item_identification
2420-01-205-8636
NSN
3020-01-301-3020
COMPONENT DIAGRAM
KEY FEATURES
•
BORE NOMINAL DIAMETER: 1.875 INCHES BOTH ENDS IN
•
TEETH QUANTITY: 100
•
BODY STYLE: SPOKED
•
BORE STYLE: STRAIGHT SPLINE BOTH ENDS
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: HUBLESS
•
PITCH DIAMETER: 12.5000 INCHES NOMINAL IN
•
SPLINE QUANTITY: 13 BOTH ENDS
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER
1.875 INCHES BOTH ENDS IN
TEETH QUANTITY
100
BODY STYLE
SPOKED
BORE STYLE
STRAIGHT SPLINE BOTH ENDS
HARDNESS RATING
40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR
HUBLESS
PITCH DIAMETER
12.5000 INCHES NOMINAL IN
SPLINE QUANTITY
13 BOTH ENDS
NOMINAL OUTSIDE DIAMETER
12.690 INCHES IN
END ITEM IDENTIFICATION
2420-01-205-8636
OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 71056012?
71056012 is a GEAR,SPUR.
What parts can replace 71056012?
There is 1 known substitute for 71056012: 301-10012-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 71056012?
71056012 is cataloged in the U.S. Government catalog under NSN 3020-01-301-3020. This indicates validated use in U.S. government and defense supply chains.
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