3N278PC44 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

3N278PC44: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 10.620 INCHES NOMINAL IN, surface_finish: 16.0 MICROINCHES, first_end_style: PLAIN, second_end_style: EXTERNAL THREADED. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-441-2574, 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

3N278PC44

NSN: 3040-00-441-2574
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 54370 — ALFA LAVAL INC. (USA)

SPECIFICATIONS

material	STEEL
step_quantity	6
end_similarity	NOT IDENTICAL
overall_length	10.620 INCHES NOMINAL IN
surface_finish	16.0 MICROINCHES
first_end_style	PLAIN
second_end_style	EXTERNAL THREADED
first_end_diameter	0.7500 INCHES NOMINAL IN
second_end_diameter	0.3750 INCHES NOMINAL IN
largest_step_diameter	0.939 INCHES NOMINAL IN
second_end_external_thread_length	0.645 INCHES NOMINAL IN
material_document_and_classification	QQ-S-633,AISI C1045 FED SPEC SINGLE MATERIAL RESPONSE
NSN	3040-00-441-2574

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 16.0 MICROINCHES

•

SECOND END EXTERNAL THREAD LENGTH: 0.645 INCHES NOMINAL IN

•

STEP QUANTITY: 6

•

FIRST END DIAMETER: 0.7500 INCHES NOMINAL IN

•

SECOND END DIAMETER: 0.3750 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 0.939 INCHES NOMINAL IN

•

FIRST END STYLE: PLAIN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633,AISI C1045 FED SPEC SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

SURFACE FINISH	16.0 MICROINCHES
SECOND END EXTERNAL THREAD LENGTH	0.645 INCHES NOMINAL IN
STEP QUANTITY	6
FIRST END DIAMETER	0.7500 INCHES NOMINAL IN
SECOND END DIAMETER	0.3750 INCHES NOMINAL IN
LARGEST STEP DIAMETER	0.939 INCHES NOMINAL IN
FIRST END STYLE	PLAIN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-633,AISI C1045 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	10.620 INCHES NOMINAL IN
END SIMILARITY	NOT IDENTICAL

SUBSTITUTES & CROSS-REFERENCES 6

3N287PC44Reference document

Same NSN cross-reference

Reference document — Secondary reference

3N287Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

3N-387 PIECE 44Reference document

Same NSN cross-reference

Reference document — Secondary reference

MEC-4412574Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

AC5807-1Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

3N-371 PIECE 44Reference 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 3N278PC44?

3N278PC44 is a SHAFT,SHOULDERED.

What parts can replace 3N278PC44?

There are 6 known substitutes for 3N278PC44: 3N287PC44, 3N287, 3N-387 PIECE 44 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 3N278PC44?

3N278PC44 is cataloged in the U.S. Government catalog under NSN 3040-00-441-2574. This indicates validated use in U.S. government and defense supply chains.

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