4403721 PIECE 4 — SHAFT,SHOULDERED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4403721 PIECE 4: SHAFT,SHOULDERED.

The SHAFT,SHOULDERED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, first_end_style: UNTHREADED CROSS DRILLED, second_end_style: EXTERNAL THREADED. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-216-7691, 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

4403721 PIECE 4

NSN: 3040-01-216-7691
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)

SPECIFICATIONS

material	COPPER ALLOY
step_quantity	3
first_end_style	UNTHREADED CROSS DRILLED
second_end_style	EXTERNAL THREADED
NSN	3040-01-216-7691

COMPONENT DIAGRAM

KEY FEATURES

•

STEP QUANTITY: 3

•

FIRST END STYLE: UNTHREADED CROSS DRILLED

•

SECOND END STYLE: EXTERNAL THREADED

•

MATERIAL: COPPER ALLOY

TECHNICAL CHARACTERISTICS

STEP QUANTITY	3
FIRST END STYLE	UNTHREADED CROSS DRILLED
SECOND END STYLE	EXTERNAL THREADED
MATERIAL	COPPER ALLOY

SUBSTITUTES & CROSS-REFERENCES 3

4403721Reference document

Same NSN cross-reference

Reference document — Secondary reference

4403722Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

4403722 PIECE 3Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 4403721 PIECE 4?

4403721 PIECE 4 is a SHAFT,SHOULDERED.

What parts can replace 4403721 PIECE 4?

There are 3 known substitutes for 4403721 PIECE 4: 4403721, 4403722, 4403722 PIECE 3. Substitute compatibility should be verified for your specific system.

What is the NSN for 4403721 PIECE 4?

4403721 PIECE 4 is cataloged in the U.S. Government catalog under NSN 3040-01-216-7691. This indicates validated use in U.S. government and defense supply chains.

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4403721 PIECE 4 — SHAFT,SHOULDERED

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