NAFB4478G — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

NAFB4478G: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, end_similarity: NOT IDENTICAL, overall_length: 36.500 INCHES NOMINAL IN, surface_finish: 250.0 MICROINCHES, first_end_style: CIRCULAR GROOVED AND EXTERNALLY THREADED, second_end_style: CIRCULAR GROOVED AND FLAT KEYWAY. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-098-6945, 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

NAFB4478G

NSN: 3040-01-098-6945
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING
step_quantity	4
end_similarity	NOT IDENTICAL
overall_length	36.500 INCHES NOMINAL IN
surface_finish	250.0 MICROINCHES
first_end_style	CIRCULAR GROOVED AND EXTERNALLY THREADED
second_end_style	CIRCULAR GROOVED AND FLAT KEYWAY
first_end_diameter	0.9843 INCHES NOMINAL IN
largest_step_diameter	1.438 INCHES NOMINAL IN
first_end_groove_width	0.0940 INCHES NOMINAL IN
end_item_identification	COLT INDUSTRIES OPERATING CORP,DIESEL ENGINE MODEL 38ND8 1-8
first_end_groove_diameter	0.9220 INCHES NOMINAL IN
NSN	3040-01-098-6945

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 250.0 MICROINCHES

•

STEP QUANTITY: 4

•

FIRST END DIAMETER: 0.9843 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 1.438 INCHES NOMINAL IN

•

FIRST END EXTERNAL THREAD LENGTH: 0.412 INCHES NOMINAL IN

•

FIRST END STYLE: CIRCULAR GROOVED AND EXTERNALLY THREADED

•

END SIMILARITY: NOT IDENTICAL

TECHNICAL CHARACTERISTICS

SURFACE FINISH	250.0 MICROINCHES
STEP QUANTITY	4
FIRST END DIAMETER	0.9843 INCHES NOMINAL IN
LARGEST STEP DIAMETER	1.438 INCHES NOMINAL IN
FIRST END EXTERNAL THREAD LENGTH	0.412 INCHES NOMINAL IN
FIRST END STYLE	CIRCULAR GROOVED AND EXTERNALLY THREADED
OVERALL LENGTH	36.500 INCHES NOMINAL IN
END SIMILARITY	NOT IDENTICAL
FIRST END DISTANCE FROM END TO GROOVE	0.694 INCHES NOMINAL IN
FIRST END GROOVE DIAMETER	0.9220 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 3

CAFB4478GReference document

Same NSN cross-reference

Reference document — Secondary reference

16200492Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

16200494Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is NAFB4478G?

NAFB4478G is a SHAFT,SHOULDERED.

What parts can replace NAFB4478G?

There are 3 known substitutes for NAFB4478G: CAFB4478G, 16200492, 16200494. Substitute compatibility should be verified for your specific system.

What is the NSN for NAFB4478G?

NAFB4478G is cataloged in the U.S. Government catalog under NSN 3040-01-098-6945. This indicates validated use in U.S. government and defense supply chains.

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NAFB4478G — SHAFT,SHOULDERED

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