4451A1590M — COUPLING,CLAMP,GROOVED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4451A1590M: COUPLING,CLAMP,GROOVED.

The COUPLING,CLAMP,GROOVED is a the manufacturer industrial component. Key specifications include shape: ROUND, height: 0.281 INCHES NOMINAL IN, nut_type: PLAIN HEXAGON, root_width: 0.400 INCHES NOMINAL IN, latch_style: DOUBLE, retainer_width: 0.910 INCHES NOMINAL IN. 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

4451A1590M

NSN: 5342-01-021-7484
NIINs: 010217484, 015298283
FSC: 5342 — Hardware, Weapon System
CAGE: 70628 — ARROWHEAD PRODUCTS CORP (USA)

SPECIFICATIONS

shape	ROUND
height	0.281 INCHES NOMINAL IN
nut_type	PLAIN HEXAGON
root_width	0.400 INCHES NOMINAL IN
latch_style	DOUBLE
retainer_width	0.910 INCHES NOMINAL IN
inside_diameter	15.900 INCHES NOMINAL IN
segment_quantity	1
sealing_inner_liner	INCLUDED
drilled_lockwire_hole	NOT INCLUDED
cross-sectional_shape_style	GROOVED RETAINER
NSN	5342-01-021-7484

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 2

204-65552-17Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

4451-1590Reference 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 4451A1590M?

4451A1590M is a COUPLING,CLAMP,GROOVED.

What parts can replace 4451A1590M?

There are 2 known substitutes for 4451A1590M: 204-65552-17, 4451-1590. Substitute compatibility should be verified for your specific system.

What is the NSN for 4451A1590M?

4451A1590M 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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4451A1590M — COUPLING,CLAMP,GROOVED

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