12250387 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

12250387: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 12L14, end_similarity: NOT IDENTICAL, overall_length: 3.120 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES, first_end_style: PLAIN, second_end_style: FLAT KEYWAY. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-020-2265, 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

12250387

NSN: 3040-01-020-2265
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL COMP 12L14
step_quantity	2
end_similarity	NOT IDENTICAL
overall_length	3.120 INCHES NOMINAL IN
surface_finish	125.0 MICROINCHES
first_end_style	PLAIN
second_end_style	FLAT KEYWAY
special_features	FIRST END HAS KEY,0.060 IN. KEY W,0.310 IN. KEY LG,0.033 IN. KEY H,0.275 IN. DISTANCE FROM KEY C TO END;SECOND END BORED,0.159 IN. DIA,0.750 IN. LG IN
first_end_diameter	0.1850 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM IN
second_end_diameter	0.2500 INCHES NOMINAL IN
largest_step_diameter	0.250 INCHES NOMINAL IN
external_keyway_length	0.530 INCHES MINIMUM AND 0.580 INCHES MAXIMUM SECOND END IN
NSN	3040-01-020-2265

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 125.0 MICROINCHES

•

STEP QUANTITY: 2

•

FIRST END DIAMETER: 0.1850 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM IN

•

SECOND END DIAMETER: 0.2500 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 0.250 INCHES NOMINAL IN

•

FIRST END STYLE: PLAIN

•

SECOND END KEYWAY WIDTH: 0.0700 INCHES MINIMUM AND 0.0760 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC 1ST MATERIAL RESPONSE OR 12L14 ASSN STD 2ND MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

SURFACE FINISH	125.0 MICROINCHES
STEP QUANTITY	2
FIRST END DIAMETER	0.1850 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM IN
SECOND END DIAMETER	0.2500 INCHES NOMINAL IN
LARGEST STEP DIAMETER	0.250 INCHES NOMINAL IN
FIRST END STYLE	PLAIN
SECOND END KEYWAY WIDTH	0.0700 INCHES MINIMUM AND 0.0760 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-637 FED SPEC 1ST MATERIAL RESPONSE OR 12L14 ASSN STD 2ND MATERIAL RESPONSE
OVERALL LENGTH	3.120 INCHES NOMINAL IN
SECOND END KEYWAY DEPTH	0.046 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

3040010202265Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 12250387?

12250387 is a SHAFT,SHOULDERED.

What parts can replace 12250387?

There is 1 known substitute for 12250387: 3040010202265. Substitute compatibility should be verified for your specific system.

What is the NSN for 12250387?

12250387 is cataloged in the U.S. Government catalog under NSN 3040-01-020-2265. This indicates validated use in U.S. government and defense supply chains.

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