250556001 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

250556001: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL, step_quantity: 13, end_similarity: NOT IDENTICAL, overall_length: 41.938 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES, first_end_style: FLAT KEYWAY. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-164-7820, 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

250556001

NSN: 3040-01-164-7820
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 1Q8T8 — ALJERS LLC (USA)

SPECIFICATIONS

material	STEEL
step_quantity	13
end_similarity	NOT IDENTICAL
overall_length	41.938 INCHES NOMINAL IN
surface_finish	32.0 MICROINCHES
first_end_style	FLAT KEYWAY
second_end_style	INDENTED FLAT KEYWAY
first_end_diameter	1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
second_end_diameter	1.2490 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
largest_step_diameter	4.594 INCHES NOMINAL IN
external_keyway_length	2.000 INCHES NOMINAL SECOND END IN
first_end_keyway_depth	0.250 INCHES NOMINAL IN
NSN	3040-01-164-7820

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES

•

STEP QUANTITY: 13

•

FIRST END DIAMETER: 1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN

•

SECOND END DIAMETER: 1.2490 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN

•

LARGEST STEP DIAMETER: 4.594 INCHES NOMINAL IN

•

SECOND END DISTANCE FROM KEYWAY CENTER TO END: 1.156 INCHES NOMINAL IN

•

FIRST END STYLE: FLAT KEYWAY

•

SECOND END KEYWAY WIDTH: 0.2500 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES
STEP QUANTITY	13
FIRST END DIAMETER	1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN
SECOND END DIAMETER	1.2490 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
LARGEST STEP DIAMETER	4.594 INCHES NOMINAL IN
SECOND END DISTANCE FROM KEYWAY CENTER TO END	1.156 INCHES NOMINAL IN
FIRST END STYLE	FLAT KEYWAY
SECOND END KEYWAY WIDTH	0.2500 INCHES NOMINAL IN
OVERALL LENGTH	41.938 INCHES NOMINAL IN
FIRST END KEYWAY DEPTH	0.250 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 2

3505-13Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

3505-13 PIECE 40Reference 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 250556001?

250556001 is a SHAFT,SHOULDERED.

What parts can replace 250556001?

There are 2 known substitutes for 250556001: 3505-13, 3505-13 PIECE 40. Substitute compatibility should be verified for your specific system.

What is the NSN for 250556001?

250556001 is cataloged in the U.S. Government catalog under NSN 3040-01-164-7820. This indicates validated use in U.S. government and defense supply chains.

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250556001 — SHAFT,SHOULDERED

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