The GEAR CLUSTER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 4140 OVERALL, bore_style: INVOLUTE SPLINE BOTH ENDS, design_type: SPUR ALL GEARS, construction: ASSEMBLED, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL, spline_quantity: 19 BOTH ENDS. This part is cataloged in the U.S.
Government catalog under NSN 3020-00-296-3201, 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
139C6526
NSN:3020-00-296-3201 FSC:3020 — Gears, Pulleys, Sprockets, and Transmission Chain CAGE:05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
material
STEEL COMP 4130 OR STEEL COMP 4140 OVERALL
bore_style
INVOLUTE SPLINE BOTH ENDS
design_type
SPUR ALL GEARS
construction
ASSEMBLED
hardness_rating
30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
spline_quantity
19 BOTH ENDS
hub_nominal_length
0.230 INCHES SECOND END IN
hub_nominal_diameter
2.482 INCHES SECOND END IN
hub_style_designator
2 STEPS SECOND END
bore_nominal_diameter
2.483 INCHES BOTH ENDS IN
spline_pitch_diameter
0.5938 INCHES NOMINAL BOTH ENDS IN
nominal_overall_length
0.660 INCHES IN
NSN
3020-00-296-3201
COMPONENT DIAGRAM
KEY FEATURES
•
BORE NOMINAL DIAMETER: 2.483 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 2.482 INCHES SECOND END IN
•
DESIGN TYPE: SPUR ALL GEARS
•
BORE STYLE: INVOLUTE SPLINE BOTH ENDS
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL OVERALL LENGTH: 0.660 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HUB STYLE DESIGNATOR: 2 STEPS SECOND END
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER
2.483 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER
2.482 INCHES SECOND END IN
DESIGN TYPE
SPUR ALL GEARS
BORE STYLE
INVOLUTE SPLINE BOTH ENDS
HARDNESS RATING
30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL OVERALL LENGTH
0.660 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION
MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OR QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HUB STYLE DESIGNATOR
2 STEPS SECOND END
SPLINE QUANTITY
19 BOTH ENDS
HUB NOMINAL LENGTH
0.230 INCHES SECOND END IN
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 139C6526?
139C6526 is a GEAR CLUSTER.
What parts can replace 139C6526?
There is 1 known substitute for 139C6526: 3020PL0959331. Substitute compatibility should be verified for your specific system.
What is the NSN for 139C6526?
139C6526 is cataloged in the U.S. Government catalog under NSN 3020-00-296-3201. This indicates validated use in U.S. government and defense supply chains.
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