A74144 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

A74144: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 6.910 INCHES NOMINAL IN, first_end_style: EXTERNAL THREADED, second_end_style: SPLINED (INVOLUTE), special_features: 2ND STEP ON 1ST END SPLINED,LARGEST DIA FLATTED 2 SIDES. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-334-9428, 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

A74144

NSN: 3040-00-334-9428
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 78047 — CAPITOL ENGINE CO, INC DBA SALMINI WORLDWIDE (USA)

SPECIFICATIONS

material	STEEL
step_quantity	8
end_similarity	NOT IDENTICAL
overall_length	6.910 INCHES NOMINAL IN
first_end_style	EXTERNAL THREADED
second_end_style	SPLINED (INVOLUTE)
special_features	2ND STEP ON 1ST END SPLINED,LARGEST DIA FLATTED 2 SIDES
first_end_diameter	0.4375 INCHES NOMINAL IN
second_end_diameter	0.7860 INCHES NOMINAL IN
largest_step_diameter	0.905 INCHES NOMINAL IN
second_end_spline_length	0.938 INCHES NOMINAL IN
second_end_pitch_diameter	0.7500 INCHES NOMINAL IN
NSN	3040-00-334-9428

COMPONENT DIAGRAM

KEY FEATURES

•

STEP QUANTITY: 8

•

FIRST END DIAMETER: 0.4375 INCHES NOMINAL IN

•

SECOND END DIAMETER: 0.7860 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 0.905 INCHES NOMINAL IN

•

SECOND END SPLINE MINOR DIAMETER: 0.6860 INCHES NOMINAL IN

•

FIRST END EXTERNAL THREAD LENGTH: 0.625 INCHES NOMINAL IN

•

FIRST END STYLE: EXTERNAL THREADED

•

SECOND END SPLINE MAJOR DIAMETER: 0.7860 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

STEP QUANTITY	8
FIRST END DIAMETER	0.4375 INCHES NOMINAL IN
SECOND END DIAMETER	0.7860 INCHES NOMINAL IN
LARGEST STEP DIAMETER	0.905 INCHES NOMINAL IN
SECOND END SPLINE MINOR DIAMETER	0.6860 INCHES NOMINAL IN
FIRST END EXTERNAL THREAD LENGTH	0.625 INCHES NOMINAL IN
FIRST END STYLE	EXTERNAL THREADED
SECOND END SPLINE MAJOR DIAMETER	0.7860 INCHES NOMINAL IN
OVERALL LENGTH	6.910 INCHES NOMINAL IN
END SIMILARITY	NOT IDENTICAL

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

M-A74144 REV AReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is A74144?

A74144 is a SHAFT,SHOULDERED.

What parts can replace A74144?

There is 1 known substitute for A74144: M-A74144 REV A. Substitute compatibility should be verified for your specific system.

What is the NSN for A74144?

A74144 is cataloged in the U.S. Government catalog under NSN 3040-00-334-9428. This indicates validated use in U.S. government and defense supply chains.

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