K4B4A — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

K4B4A: 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: 34.500 INCHES NOMINAL IN, first_end_style: EXTERNAL THREADED, second_end_style: EXTERNAL THREADED. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-044-0892, 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

K4B4A

NSN: 3040-01-044-0892
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 10613 — PENTAIR PUMP GROUP, INC. DBA FAIRBANKS MORSE PUMP (USA)

SPECIFICATIONS

material	STEEL
step_quantity	12
end_similarity	NOT IDENTICAL
overall_length	34.500 INCHES NOMINAL IN
first_end_style	EXTERNAL THREADED
second_end_style	EXTERNAL THREADED
first_end_diameter	1.1250 INCHES NOMINAL IN
second_end_diameter	1.3750 INCHES NOMINAL IN
largest_step_diameter	2.124 INCHES NOMINAL IN
first_end_external_thread_length	1.500 INCHES NOMINAL IN
second_end_external_thread_length	1.062 INCHES NOMINAL IN
NSN	3040-01-044-0892

COMPONENT DIAGRAM

KEY FEATURES

•

SECOND END EXTERNAL THREAD LENGTH: 1.062 INCHES NOMINAL IN

•

STEP QUANTITY: 12

•

FIRST END DIAMETER: 1.1250 INCHES NOMINAL IN

•

SECOND END DIAMETER: 1.3750 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 2.124 INCHES NOMINAL IN

•

FIRST END EXTERNAL THREAD LENGTH: 1.500 INCHES NOMINAL IN

•

FIRST END STYLE: EXTERNAL THREADED

TECHNICAL CHARACTERISTICS

SECOND END EXTERNAL THREAD LENGTH	1.062 INCHES NOMINAL IN
STEP QUANTITY	12
FIRST END DIAMETER	1.1250 INCHES NOMINAL IN
SECOND END DIAMETER	1.3750 INCHES NOMINAL IN
LARGEST STEP DIAMETER	2.124 INCHES NOMINAL IN
FIRST END EXTERNAL THREAD LENGTH	1.500 INCHES NOMINAL IN
FIRST END STYLE	EXTERNAL THREADED
OVERALL LENGTH	34.500 INCHES NOMINAL IN
END SIMILARITY	NOT IDENTICAL
SECOND END STYLE	EXTERNAL THREADED

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

L-2257Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is K4B4A?

K4B4A is a SHAFT,SHOULDERED.

What parts can replace K4B4A?

There is 1 known substitute for K4B4A: L-2257. Substitute compatibility should be verified for your specific system.

What is the NSN for K4B4A?

K4B4A is cataloged in the U.S. Government catalog under NSN 3040-01-044-0892. This indicates validated use in U.S. government and defense supply chains.

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