6397389-25 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

6397389-25: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, step_quantity: 12, end_similarity: NOT IDENTICAL, overall_length: 45.060 INCHES NOMINAL IN, first_end_style: SLOTTED, second_end_style: EXTERNAL THREADED. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-357-8755, 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

6397389-25

NSN: 3040-01-357-8755
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	STEEL
step_quantity	12
end_similarity	NOT IDENTICAL
overall_length	45.060 INCHES NOMINAL IN
first_end_style	SLOTTED
second_end_style	EXTERNAL THREADED
special_features	FIRST END IS ALSO EXTERNALLY THREADED
first_end_diameter	2.1570 INCHES NOMINAL IN
second_end_diameter	1.2500 INCHES NOMINAL IN
first_end_slot_depth	0.120 INCHES NOMINAL IN
first_end_slot_width	0.310 INCHES NOMINAL IN
largest_step_diameter	2.755 INCHES NOMINAL IN
NSN	3040-01-357-8755

COMPONENT DIAGRAM

KEY FEATURES

•

SECOND END EXTERNAL THREAD LENGTH: 0.750 INCHES NOMINAL IN

•

STEP QUANTITY: 12

•

FIRST END DIAMETER: 2.1570 INCHES NOMINAL IN

•

SECOND END DIAMETER: 1.2500 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 2.755 INCHES NOMINAL IN

•

FIRST END SLOT WIDTH: 0.310 INCHES NOMINAL IN

•

FIRST END STYLE: SLOTTED

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B446 ASSN STD SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

SECOND END EXTERNAL THREAD LENGTH	0.750 INCHES NOMINAL IN
STEP QUANTITY	12
FIRST END DIAMETER	2.1570 INCHES NOMINAL IN
SECOND END DIAMETER	1.2500 INCHES NOMINAL IN
LARGEST STEP DIAMETER	2.755 INCHES NOMINAL IN
FIRST END SLOT WIDTH	0.310 INCHES NOMINAL IN
FIRST END STYLE	SLOTTED
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM B446 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH	45.060 INCHES NOMINAL IN
END SIMILARITY	NOT IDENTICAL

SUBSTITUTES & CROSS-REFERENCES 2

639389 PIECE 25Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

6397389Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 6397389-25?

6397389-25 is a SHAFT,SHOULDERED.

What parts can replace 6397389-25?

There are 2 known substitutes for 6397389-25: 639389 PIECE 25, 6397389. Substitute compatibility should be verified for your specific system.

What is the NSN for 6397389-25?

6397389-25 is cataloged in the U.S. Government catalog under NSN 3040-01-357-8755. This indicates validated use in U.S. government and defense supply chains.

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