4451-1590 — COUPLING,DUCT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4451-1590: COUPLING,DUCT.

The COUPLING,DUCT is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5342-01-021-7484, 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

4451-1590

NSN: 5342-01-021-7484
FSC: 5342 — Hardware, Weapon System
CAGE: 70628 — ARROWHEAD PRODUCTS CORP (USA)

SPECIFICATIONS

Part Number	4451-1590
NSN	5342-01-021-7484

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 1

204-65552-17Reference document

Same NSN cross-reference

Reference document — Vendor item drawing 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 4451-1590?

4451-1590 is a COUPLING,DUCT.

What parts can replace 4451-1590?

There is 1 known substitute for 4451-1590: 204-65552-17. Substitute compatibility should be verified for your specific system.

What is the NSN for 4451-1590?

4451-1590 is cataloged in the U.S. Government catalog under NSN 5342-01-021-7484. This indicates validated use in U.S. government and defense supply chains.

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