12270969 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

12270969: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP 8640, end_similarity: NOT IDENTICAL, overall_length: 10.000 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES, first_end_style: EXTERNAL THREADED, second_end_style: SPLINED (INVOLUTE). This part is cataloged in the U.S.

Government catalog under NSN 3040-01-164-9840, 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

12270969

NSN: 3040-01-164-9840
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)

SPECIFICATIONS

material	STEEL COMP 4140 OR STEEL COMP 8640
step_quantity	5
end_similarity	NOT IDENTICAL
overall_length	10.000 INCHES NOMINAL IN
surface_finish	32.0 MICROINCHES
first_end_style	EXTERNAL THREADED
second_end_style	SPLINED (INVOLUTE)
first_end_diameter	0.4716 INCHES NOMINAL IN
second_end_diameter	0.8400 INCHES NOMINAL IN
largest_step_diameter	3.258 INCHES NOMINAL IN
second_end_spline_length	1.060 INCHES NOMINAL IN
second_end_pitch_diameter	0.7083 INCHES NOMINAL IN
NSN	3040-01-164-9840

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES

•

STEP QUANTITY: 5

•

FIRST END DIAMETER: 0.4716 INCHES NOMINAL IN

•

SECOND END DIAMETER: 0.8400 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 3.258 INCHES NOMINAL IN

•

SECOND END SPLINE MINOR DIAMETER: 0.6390 INCHES NOMINAL IN

•

FIRST END EXTERNAL THREAD LENGTH: 0.423 INCHES NOMINAL IN

•

FIRST END STYLE: EXTERNAL THREADED

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES
STEP QUANTITY	5
FIRST END DIAMETER	0.4716 INCHES NOMINAL IN
SECOND END DIAMETER	0.8400 INCHES NOMINAL IN
LARGEST STEP DIAMETER	3.258 INCHES NOMINAL IN
SECOND END SPLINE MINOR DIAMETER	0.6390 INCHES NOMINAL IN
FIRST END EXTERNAL THREAD LENGTH	0.423 INCHES NOMINAL IN
FIRST END STYLE	EXTERNAL THREADED
SECOND END SPLINE MAJOR DIAMETER	0.7500 INCHES NOMINAL IN
OVERALL LENGTH	10.000 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

3040011649840Reference document

Same NSN cross-reference

Reference document — Informative 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 12270969?

12270969 is a SHAFT,SHOULDERED.

What parts can replace 12270969?

There is 1 known substitute for 12270969: 3040011649840. Substitute compatibility should be verified for your specific system.

What is the NSN for 12270969?

12270969 is cataloged in the U.S. Government catalog under NSN 3040-01-164-9840. This indicates validated use in U.S. government and defense supply chains.

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12270969 — SHAFT,SHOULDERED

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