12268045 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

12268045: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340, end_similarity: NOT IDENTICAL, overall_length: 14.568 INCHES NOMINAL IN, first_end_style: CIRCULAR GROOVED AND SPLINED (STRAIGHT), special_features: HARDNESS ROCKWELL C42-49 EXCEPT AS SHOWN ON DRAWING. TO BE CLEAN AND FREE FROM BURRS, first_end_diameter: 4.9650 INCHES MINIMUM AND 5.0000 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 3040-01-075-4977, 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

12268045

NSN: 3040-01-075-4977
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL COMP 4340
step_quantity	4
end_similarity	NOT IDENTICAL
overall_length	14.568 INCHES NOMINAL IN
first_end_style	CIRCULAR GROOVED AND SPLINED (STRAIGHT)
special_features	HARDNESS ROCKWELL C42-49 EXCEPT AS SHOWN ON DRAWING. TO BE CLEAN AND FREE FROM BURRS
first_end_diameter	4.9650 INCHES MINIMUM AND 5.0000 INCHES MAXIMUM IN
largest_step_diameter	6.300 INCHES NOMINAL IN
first_end_groove_width	0.5000 INCHES NOMINAL IN
end_item_identification	2350-01-087-1095 TANK,ARMORED,BATTLE,CMBT85XM1
first_end_spline_length	6.000 INCHES NOMINAL IN
first_end_groove_diameter	4.9650 INCHES MINIMUM AND 5.0000 INCHES MAXIMUM IN
NSN	3040-01-075-4977

COMPONENT DIAGRAM

KEY FEATURES

•

STEP QUANTITY: 4

•

FIRST END DIAMETER: 4.9650 INCHES MINIMUM AND 5.0000 INCHES MAXIMUM IN

•

FIRST END SPLINE MAJOR DIAMETER: 4.9650 INCHES MINIMUM AND 5.0000 INCHES MAXIMUM IN

•

LARGEST STEP DIAMETER: 6.300 INCHES NOMINAL IN

•

FIRST END STYLE: CIRCULAR GROOVED AND SPLINED (STRAIGHT)

•

FIRST END SPLINE LENGTH: 6.000 INCHES NOMINAL IN

•

FIRST END SPLINE QUANTITY: 39

TECHNICAL CHARACTERISTICS

STEP QUANTITY	4
FIRST END DIAMETER	4.9650 INCHES MINIMUM AND 5.0000 INCHES MAXIMUM IN
FIRST END SPLINE MAJOR DIAMETER	4.9650 INCHES MINIMUM AND 5.0000 INCHES MAXIMUM IN
LARGEST STEP DIAMETER	6.300 INCHES NOMINAL IN
FIRST END STYLE	CIRCULAR GROOVED AND SPLINED (STRAIGHT)
OVERALL LENGTH	14.568 INCHES NOMINAL IN
FIRST END SPLINE LENGTH	6.000 INCHES NOMINAL IN
FIRST END SPLINE QUANTITY	39
END SIMILARITY	NOT IDENTICAL
FIRST END DISTANCE FROM END TO GROOVE	11.6000 INCHES NOMINAL IN

OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224

SUBSTITUTES & CROSS-REFERENCES 1

DAX13071Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 12268045?

12268045 is a SHAFT,SHOULDERED.

What parts can replace 12268045?

There is 1 known substitute for 12268045: DAX13071. Substitute compatibility should be verified for your specific system.

What is the NSN for 12268045?

12268045 is cataloged in the U.S. Government catalog under NSN 3040-01-075-4977. This indicates validated use in U.S. government and defense supply chains.

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