4M358 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4M358: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 36.875 INCHES NOMINAL IN, first_end_style: WOODRUFF KEYWAY, second_end_style: SPLINED (INVOLUTE), first_end_diameter: 0.7450 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-122-0639, 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

4M358

NSN: 3040-00-122-0639
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)

SPECIFICATIONS

material	STEEL
step_quantity	3
end_similarity	NOT IDENTICAL
overall_length	36.875 INCHES NOMINAL IN
first_end_style	WOODRUFF KEYWAY
second_end_style	SPLINED (INVOLUTE)
first_end_diameter	0.7450 INCHES NOMINAL IN
second_end_diameter	0.7450 INCHES NOMINAL IN
largest_step_diameter	1.625 INCHES NOMINAL IN
external_keyway_length	0.875 INCHES NOMINAL FIRST END IN
first_end_keyway_width	0.1562 INCHES NOMINAL IN
second_end_spline_length	0.875 INCHES NOMINAL IN
NSN	3040-00-122-0639

COMPONENT DIAGRAM

KEY FEATURES

•

STEP QUANTITY: 3

•

FIRST END DIAMETER: 0.7450 INCHES NOMINAL IN

•

FIRST END DISTANCE FROM KEYWAY CENTER TO END: 0.562 INCHES NOMINAL IN

•

SECOND END DIAMETER: 0.7450 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 1.625 INCHES NOMINAL IN

•

SECOND END SPLINE MINOR DIAMETER: 0.5312 INCHES NOMINAL IN

•

FIRST END STYLE: WOODRUFF KEYWAY

•

SECOND END SPLINE MAJOR DIAMETER: 0.7400 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

STEP QUANTITY	3
FIRST END DIAMETER	0.7450 INCHES NOMINAL IN
FIRST END DISTANCE FROM KEYWAY CENTER TO END	0.562 INCHES NOMINAL IN
SECOND END DIAMETER	0.7450 INCHES NOMINAL IN
LARGEST STEP DIAMETER	1.625 INCHES NOMINAL IN
SECOND END SPLINE MINOR DIAMETER	0.5312 INCHES NOMINAL IN
FIRST END STYLE	WOODRUFF KEYWAY
SECOND END SPLINE MAJOR DIAMETER	0.7400 INCHES NOMINAL IN
OVERALL LENGTH	36.875 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

IPD4M0358Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 4M358?

4M358 is a SHAFT,SHOULDERED.

What parts can replace 4M358?

There is 1 known substitute for 4M358: IPD4M0358. Substitute compatibility should be verified for your specific system.

What is the NSN for 4M358?

4M358 is cataloged in the U.S. Government catalog under NSN 3040-00-122-0639. This indicates validated use in U.S. government and defense supply chains.

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