1004321 PIECE 2 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1004321 PIECE 2: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340, end_similarity: IDENTICAL, overall_length: 102.0000 INCHES NOMINAL IN, first_end_style: SPLINED (INVOLUTE), special_features: 12 THD HOLES EQUALLY SPACED ON 13 IN.BOLT CIRCLE,2.250 IN.DEEP EACH END; 4 UNTHD THRU HOLES EACH END IN, first_end_diameter: 15.2500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-298-8646, 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

1004321 PIECE 2

NSN: 3040-01-298-8646
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 75394 — EMERSON POWER TRANSMISSION CORPORATION DBA EMERSON DIV EMERSON POWER TRANSMISSION DIVISION (USA)

SPECIFICATIONS

material	STEEL COMP 4340
step_quantity	7
end_similarity	IDENTICAL
overall_length	102.0000 INCHES NOMINAL IN
first_end_style	SPLINED (INVOLUTE)
special_features	12 THD HOLES EQUALLY SPACED ON 13 IN.BOLT CIRCLE,2.250 IN.DEEP EACH END; 4 UNTHD THRU HOLES EACH END IN
first_end_diameter	15.2500 INCHES NOMINAL IN
largest_step_diameter	16.0000 INCHES NOMINAL IN
first_end_spline_length	6.0000 INCHES NOMINAL IN
first_end_pitch_diameter	15.0000 INCHES NOMINAL IN
first_end_pressure_angle	30.0 DEGREES NOMINAL
first_end_spline_quantity	60
NSN	3040-01-298-8646

COMPONENT DIAGRAM

KEY FEATURES

•

FIRST END PITCH DIAMETER: 15.0000 INCHES NOMINAL IN

•

STEP QUANTITY: 7

•

FIRST END DIAMETER: 15.2500 INCHES NOMINAL IN

•

FIRST END SPLINE MAJOR DIAMETER: 15.2500 INCHES NOMINAL IN

•

LARGEST STEP DIAMETER: 16.0000 INCHES NOMINAL IN

•

FIRST END STYLE: SPLINED (INVOLUTE)

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-24093,TYPE 1,CLASS C MIL SPEC SINGLE MATERIAL RESPONSE

TECHNICAL CHARACTERISTICS

FIRST END PITCH DIAMETER	15.0000 INCHES NOMINAL IN
STEP QUANTITY	7
FIRST END DIAMETER	15.2500 INCHES NOMINAL IN
FIRST END SPLINE MAJOR DIAMETER	15.2500 INCHES NOMINAL IN
LARGEST STEP DIAMETER	16.0000 INCHES NOMINAL IN
FIRST END STYLE	SPLINED (INVOLUTE)
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-24093,TYPE 1,CLASS C MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH	102.0000 INCHES NOMINAL IN
FIRST END PRESSURE ANGLE	30.0 DEGREES NOMINAL
FIRST END SPLINE LENGTH	6.0000 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 1

1003382Reference 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 1004321 PIECE 2?

1004321 PIECE 2 is a SHAFT,SHOULDERED.

What parts can replace 1004321 PIECE 2?

There is 1 known substitute for 1004321 PIECE 2: 1003382. Substitute compatibility should be verified for your specific system.

What is the NSN for 1004321 PIECE 2?

1004321 PIECE 2 is cataloged in the U.S. Government catalog under NSN 3040-01-298-8646. This indicates validated use in U.S. government and defense supply chains.

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1004321 PIECE 2 — SHAFT,SHOULDERED

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