10863921 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

10863921: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 420, end_similarity: NOT IDENTICAL, overall_length: 8.310 INCHES NOMINAL IN, first_end_style: EXTERNAL THREADED, second_end_style: UNTHREADED CROSS DRILLED, first_end_diameter: 0.3750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-00-678-6765, 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

10863921

NSN: 3040-00-678-6765
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL COMP 420
step_quantity	4
end_similarity	NOT IDENTICAL
overall_length	8.310 INCHES NOMINAL IN
first_end_style	EXTERNAL THREADED
second_end_style	UNTHREADED CROSS DRILLED
special_features	BODY OF SHAFT MACHINED 63 MICROINCHES; SECOND END MACHINED TO 125 MICROINCHES; HARDENED TO 38/43 RC PER FINISH NO. 5.400 OF MIL-STD-171
first_end_diameter	0.3750 INCHES NOMINAL IN
second_end_diameter	0.6230 INCHES NOMINAL IN
largest_step_diameter	0.749 INCHES NOMINAL IN
second_end_hole_diameter	0.2475 INCHES NOMINAL IN
first_end_external_thread_length	1.250 INCHES NOMINAL IN
NSN	3040-00-678-6765

COMPONENT DIAGRAM

KEY FEATURES

•

SECOND END HOLE DIAMETER: 0.2475 INCHES NOMINAL IN

•

STEP QUANTITY: 4

•

FIRST END DIAMETER: 0.3750 INCHES NOMINAL IN

•

SECOND END DIAMETER: 0.6230 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 0.749 INCHES NOMINAL IN

•

FIRST END EXTERNAL THREAD LENGTH: 1.250 INCHES NOMINAL IN

•

FIRST END STYLE: EXTERNAL THREADED

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND. A FED SPEC SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

SECOND END HOLE DIAMETER	0.2475 INCHES NOMINAL IN
STEP QUANTITY	4
FIRST END DIAMETER	0.3750 INCHES NOMINAL IN
SECOND END DIAMETER	0.6230 INCHES NOMINAL IN
LARGEST STEP DIAMETER	0.749 INCHES NOMINAL IN
FIRST END EXTERNAL THREAD LENGTH	1.250 INCHES NOMINAL IN
FIRST END STYLE	EXTERNAL THREADED
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763,COND. A FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	8.310 INCHES NOMINAL IN
SECOND END DISTANCE FROM HOLE CENTER TO END	0.345 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

25306786765Reference document

Same NSN cross-reference

Reference document — Informative reference only

2530006786765Reference 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 10863921?

10863921 is a SHAFT,SHOULDERED.

What parts can replace 10863921?

There are 2 known substitutes for 10863921: 25306786765, 2530006786765. Substitute compatibility should be verified for your specific system.

What is the NSN for 10863921?

10863921 is cataloged in the U.S. Government catalog under NSN 3040-00-678-6765. This indicates validated use in U.S. government and defense supply chains.

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