PT-729-4 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

PT-729-4: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, end_similarity: NOT IDENTICAL, overall_length: 24.500 INCHES NOMINAL IN, first_end_style: PLAIN, second_end_style: FLAT KEYWAY, first_end_diameter: 1.3778 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-327-2687, 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

PT-729-4

NSN: 3040-01-327-2687
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 77873 — ROCKFORD POWERTRAIN INC DIV POWERTRAIN ROCKFORD, INC. (USA)

SPECIFICATIONS

material	STEEL
step_quantity	4
end_similarity	NOT IDENTICAL
overall_length	24.500 INCHES NOMINAL IN
first_end_style	PLAIN
second_end_style	FLAT KEYWAY
first_end_diameter	1.3778 INCHES NOMINAL IN
second_end_diameter	3.0000 INCHES NOMINAL IN
largest_step_diameter	3.375 INCHES NOMINAL IN
external_keyway_length	8.5000 INCHES NOMINAL SECOND END IN
second_end_keyway_depth	0.2550 INCHES NOMINAL IN
second_end_keyway_width	0.7510 INCHES NOMINAL IN
NSN	3040-01-327-2687

COMPONENT DIAGRAM

KEY FEATURES

•

STEP QUANTITY: 4

•

FIRST END DIAMETER: 1.3778 INCHES NOMINAL IN

•

SECOND END DIAMETER: 3.0000 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 3.375 INCHES NOMINAL IN

•

FIRST END STYLE: PLAIN

•

SECOND END KEYWAY WIDTH: 0.7510 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AISI-S-444 FED STD SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

STEP QUANTITY	4
FIRST END DIAMETER	1.3778 INCHES NOMINAL IN
SECOND END DIAMETER	3.0000 INCHES NOMINAL IN
LARGEST STEP DIAMETER	3.375 INCHES NOMINAL IN
FIRST END STYLE	PLAIN
SECOND END KEYWAY WIDTH	0.7510 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AISI-S-444 FED STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH	24.500 INCHES NOMINAL IN
SECOND END KEYWAY DEPTH	0.2550 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

4-410-140 ITEM 008Reference 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 PT-729-4?

PT-729-4 is a SHAFT,SHOULDERED.

What parts can replace PT-729-4?

There is 1 known substitute for PT-729-4: 4-410-140 ITEM 008. Substitute compatibility should be verified for your specific system.

What is the NSN for PT-729-4?

PT-729-4 is cataloged in the U.S. Government catalog under NSN 3040-01-327-2687. This indicates validated use in U.S. government and defense supply chains.

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