3405-20290-1 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

3405-20290-1: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, seat_angle: 37.0 DEGREES, thread_class: 3A ALL ENDS A, overall_length: 2.125 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION, connection_style: FLARED ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-802-5123, 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

3405-20290-1

NSN: 4730-00-802-5123
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79U29 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY BODY
seat_angle	37.0 DEGREES
thread_class	3A ALL ENDS A
overall_length	2.125 INCHES NOMINAL IN
connection_type	THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
connection_style	FLARED ALL ENDS
style_designator	MALE COUPLING HALF
nominal_thread_size	0.438 INCHES ALL ENDS IN
quick_disconnect_method	PUSH-PULL ALL ENDS
thread_series_designator	UNF ALL ENDS
nominal_outside_diameter_tube_accommodated	0.250 INCHES ALL ENDS IN
NSN	4730-00-802-5123

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: FLARED ALL ENDS

•

CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION

•

STYLE DESIGNATOR: MALE COUPLING HALF

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES ALL ENDS IN

•

NOMINAL THREAD SIZE: 0.438 INCHES ALL ENDS IN

•

SEAT ANGLE: 37.0 DEGREES

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	FLARED ALL ENDS
CONNECTION TYPE	THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
CONNECTION TYPE	INTERNAL QUICK DISCONNECT ALL ENDS
STYLE DESIGNATOR	MALE COUPLING HALF
OVERALL LENGTH	2.125 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES ALL ENDS IN
NOMINAL THREAD SIZE	0.438 INCHES ALL ENDS IN
SEAT ANGLE	37.0 DEGREES
THREAD CLASS	3A ALL ENDS A
MATERIAL	ALUMINUM ALLOY BODY

SUBSTITUTES & CROSS-REFERENCES 3

405-20290-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

3405-20280-5Reference document

Same NSN cross-reference

Reference document — Secondary reference

20290-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 3405-20290-1?

3405-20290-1 is a COUPLING HALF,QUICK DISCONNECT.

What parts can replace 3405-20290-1?

There are 3 known substitutes for 3405-20290-1: 405-20290-1, 3405-20280-5, 20290-1. Substitute compatibility should be verified for your specific system.

What is the NSN for 3405-20290-1?

3405-20290-1 is cataloged in the U.S. Government catalog under NSN 4730-00-802-5123. This indicates validated use in U.S. government and defense supply chains.

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3405-20290-1 — COUPLING HALF,QUICK DISCONNECT

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