656C0445 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

656C0445: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, step_quantity: 10, end_similarity: NOT IDENTICAL, overall_length: 20.969 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES, first_end_style: EXTERNAL THREADED. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-171-4996, 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

656C0445

NSN: 3040-01-171-4996
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)

SPECIFICATIONS

material	STEEL
step_quantity	10
end_similarity	NOT IDENTICAL
overall_length	20.969 INCHES NOMINAL IN
surface_finish	32.0 MICROINCHES
first_end_style	EXTERNAL THREADED
second_end_style	EXTERNAL THREADED
special_features	FIRST END HAS 0.156 IN. DIA DRILLED THRU HOLE LOCATED AT ASSEMBLY IN
first_end_diameter	0.6250 INCHES NOMINAL IN
second_end_diameter	0.7500 INCHES NOMINAL IN
largest_step_diameter	1.500 INCHES NOMINAL IN
first_end_external_thread_length	1.031 INCHES NOMINAL IN
NSN	3040-01-171-4996

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES

•

SECOND END EXTERNAL THREAD LENGTH: 0.437 INCHES NOMINAL IN

•

STEP QUANTITY: 10

•

FIRST END DIAMETER: 0.6250 INCHES NOMINAL IN

•

SECOND END DIAMETER: 0.7500 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 1.500 INCHES NOMINAL IN

•

FIRST END EXTERNAL THREAD LENGTH: 1.031 INCHES NOMINAL IN

•

FIRST END STYLE: EXTERNAL THREADED

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES
SECOND END EXTERNAL THREAD LENGTH	0.437 INCHES NOMINAL IN
STEP QUANTITY	10
FIRST END DIAMETER	0.6250 INCHES NOMINAL IN
SECOND END DIAMETER	0.7500 INCHES NOMINAL IN
LARGEST STEP DIAMETER	1.500 INCHES NOMINAL IN
FIRST END EXTERNAL THREAD LENGTH	1.031 INCHES NOMINAL IN
FIRST END STYLE	EXTERNAL THREADED
OVERALL LENGTH	20.969 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

PL999D0588 PC 26Reference 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 656C0445?

656C0445 is a SHAFT,SHOULDERED.

What parts can replace 656C0445?

There is 1 known substitute for 656C0445: PL999D0588 PC 26. Substitute compatibility should be verified for your specific system.

What is the NSN for 656C0445?

656C0445 is cataloged in the U.S. Government catalog under NSN 3040-01-171-4996. This indicates validated use in U.S. government and defense supply chains.

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656C0445 — SHAFT,SHOULDERED

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