6658790-1 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

6658790-1: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340, end_similarity: NOT IDENTICAL, overall_length: 1.3800 INCHES NOMINAL IN, first_end_style: EXTERNAL THREADED, second_end_style: HEXAGONAL, first_end_diameter: 1.0000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-370-6524, 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

6658790-1

NSN: 3040-01-370-6524
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	STEEL COMP 4340
step_quantity	4
end_similarity	NOT IDENTICAL
overall_length	1.3800 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_step_length	0.3400 INCHES NOMINAL IN
second_end_width_across_flats	0.3125 INCHES NOMINAL IN
first_end_external_thread_length	0.8300 INCHES NOMINAL IN
NSN	3040-01-370-6524

COMPONENT DIAGRAM

KEY FEATURES

•

STEP QUANTITY: 4

•

FIRST END DIAMETER: 1.0000 INCHES NOMINAL IN

•

SECOND END DIAMETER: 0.6240 INCHES NOMINAL IN

•

SECOND END STEP LENGTH: 0.3400 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 1.0000 INCHES MAXIMUM IN

•

FIRST END EXTERNAL THREAD LENGTH: 0.8300 INCHES NOMINAL IN

•

FIRST END STYLE: EXTERNAL THREADED

TECHNICAL CHARACTERISTICS

STEP QUANTITY	4
FIRST END DIAMETER	1.0000 INCHES NOMINAL IN
SECOND END DIAMETER	0.6240 INCHES NOMINAL IN
SECOND END STEP LENGTH	0.3400 INCHES NOMINAL IN
LARGEST STEP DIAMETER	1.0000 INCHES MAXIMUM IN
FIRST END EXTERNAL THREAD LENGTH	0.8300 INCHES NOMINAL IN
FIRST END STYLE	EXTERNAL THREADED
OVERALL LENGTH	1.3800 INCHES NOMINAL IN
END SIMILARITY	NOT IDENTICAL
SECOND END STYLE	HEXAGONAL

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

6658790Reference 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 6658790-1?

6658790-1 is a SHAFT,SHOULDERED.

What parts can replace 6658790-1?

There is 1 known substitute for 6658790-1: 6658790. Substitute compatibility should be verified for your specific system.

What is the NSN for 6658790-1?

6658790-1 is cataloged in the U.S. Government catalog under NSN 3040-01-370-6524. This indicates validated use in U.S. government and defense supply chains.

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6658790-1 — SHAFT,SHOULDERED

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