6539809-1 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

6539809-1: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340, overall_length: 1.7500 INCHES NOMINAL IN, first_end_style: EXTERNAL THREADED, second_end_style: HEXAGONAL, first_end_diameter: 1.0000 INCHES NOMINAL IN, second_end_diameter: 0.6240 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-370-6523, 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

6539809-1

NSN: 3040-01-370-6523
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	STEEL COMP 4340
step_quantity	4
overall_length	1.7500 INCHES NOMINAL IN
first_end_style	EXTERNAL THREADED
second_end_style	HEXAGONAL
first_end_diameter	1.0000 INCHES NOMINAL IN
second_end_diameter	0.6240 INCHES NOMINAL IN
largest_step_diameter	1.0000 INCHES MAXIMUM IN
second_end_width_across_flats	0.3125 INCHES NOMINAL IN
first_end_external_thread_length	1.107 INCHES NOMINAL IN
NSN	3040-01-370-6523

COMPONENT DIAGRAM

KEY FEATURES

•

STEP QUANTITY: 4

•

FIRST END DIAMETER: 1.0000 INCHES NOMINAL IN

•

SECOND END DIAMETER: 0.6240 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 1.0000 INCHES MAXIMUM IN

•

FIRST END EXTERNAL THREAD LENGTH: 1.107 INCHES NOMINAL IN

•

FIRST END STYLE: EXTERNAL THREADED

•

SECOND END STYLE: HEXAGONAL

TECHNICAL CHARACTERISTICS

STEP QUANTITY	4
FIRST END DIAMETER	1.0000 INCHES NOMINAL IN
SECOND END DIAMETER	0.6240 INCHES NOMINAL IN
LARGEST STEP DIAMETER	1.0000 INCHES MAXIMUM IN
FIRST END EXTERNAL THREAD LENGTH	1.107 INCHES NOMINAL IN
FIRST END STYLE	EXTERNAL THREADED
OVERALL LENGTH	1.7500 INCHES NOMINAL IN
SECOND END STYLE	HEXAGONAL
MATERIAL	STEEL COMP 4340
SECOND END WIDTH ACROSS FLATS	0.3125 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 1

6539809Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

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 6539809-1?

6539809-1 is a SHAFT,SHOULDERED.

What parts can replace 6539809-1?

There is 1 known substitute for 6539809-1: 6539809. Substitute compatibility should be verified for your specific system.

What is the NSN for 6539809-1?

6539809-1 is cataloged in the U.S. Government catalog under NSN 3040-01-370-6523. This indicates validated use in U.S. government and defense supply chains.

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6539809-1 — SHAFT,SHOULDERED

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