7974245 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

7974245: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019, end_similarity: NOT IDENTICAL, overall_length: 19.590 INCHES NOMINAL IN, surface_finish: 63.0 MICROINCHES, first_end_style: CIRCULAR GROOVED, second_end_style: CIRCULAR GROOVED AND SPLINED (STRAIGHT). This part is cataloged in the U.S.

Government catalog under NSN 3040-00-888-3779, 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

7974245

NSN: 3040-00-888-3779
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019
step_quantity	2
end_similarity	NOT IDENTICAL
overall_length	19.590 INCHES NOMINAL IN
surface_finish	63.0 MICROINCHES
first_end_style	CIRCULAR GROOVED
second_end_style	CIRCULAR GROOVED AND SPLINED (STRAIGHT)
first_end_diameter	1.2475 INCHES MINIMUM AND 1.2485 INCHES MAXIMUM IN
second_end_diameter	0.9895 INCHES NOMINAL IN
largest_step_diameter	1.247 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN
first_end_groove_width	0.1880 INCHES NOMINAL IN
second_end_groove_width	0.4060 INCHES NOMINAL IN
NSN	3040-00-888-3779

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES

•

STEP QUANTITY: 2

•

FIRST END DIAMETER: 1.2475 INCHES MINIMUM AND 1.2485 INCHES MAXIMUM IN

•

SECOND END DIAMETER: 0.9895 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 1.247 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN

•

SECOND END SPLINE MINOR DIAMETER: 0.8810 INCHES NOMINAL IN

•

FIRST END STYLE: CIRCULAR GROOVED

•

SECOND END SPLINE MAJOR DIAMETER: 0.9895 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES
STEP QUANTITY	2
FIRST END DIAMETER	1.2475 INCHES MINIMUM AND 1.2485 INCHES MAXIMUM IN
SECOND END DIAMETER	0.9895 INCHES NOMINAL IN
LARGEST STEP DIAMETER	1.247 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN
SECOND END SPLINE MINOR DIAMETER	0.8810 INCHES NOMINAL IN
FIRST END STYLE	CIRCULAR GROOVED
SECOND END SPLINE MAJOR DIAMETER	0.9895 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-633 FED SPEC ALL MATERIAL RESPONSES
OVERALL LENGTH	19.590 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

604KC227Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 7974245?

7974245 is a SHAFT,SHOULDERED.

What parts can replace 7974245?

There is 1 known substitute for 7974245: 604KC227. Substitute compatibility should be verified for your specific system.

What is the NSN for 7974245?

7974245 is cataloged in the U.S. Government catalog under NSN 3040-00-888-3779. This indicates validated use in U.S. government and defense supply chains.

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