11437691-3 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

11437691-3: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, leg_length: 0.563 INCHES NOMINAL IN, seat_angle: 37.0 DEGREES, thread_class: 3A ALL ENDS A, overall_length: 2.116 INCHES NOMINAL IN, connection_type: INTERNAL QUICK DISCONNECT ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-448-8423, 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

11437691-3

NSN: 4730-01-448-8423
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING BODY
leg_length	0.563 INCHES NOMINAL IN
seat_angle	37.0 DEGREES
thread_class	3A ALL ENDS A
overall_length	2.116 INCHES NOMINAL IN
connection_type	INTERNAL QUICK DISCONNECT ALL ENDS
connection_style	FLARED ALL ENDS
style_designator	MALE COUPLING HALF
features_provided	SELF-SEALING
surface_treatment	PASSIVATE BODY
nominal_thread_size	0.375 INCHES ALL ENDS IN
end_item_identification	1430-01-418-4396
NSN	4730-01-448-8423

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: 0.188 INCHES ALL ENDS IN

•

LEG LENGTH: 0.563 INCHES NOMINAL IN

•

FEATURES PROVIDED: SELF-SEALING

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	2.116 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.188 INCHES ALL ENDS IN
LEG LENGTH	0.563 INCHES NOMINAL IN
FEATURES PROVIDED	SELF-SEALING
NOMINAL THREAD SIZE	0.375 INCHES ALL ENDS IN
SEAT ANGLE	37.0 DEGREES

SUBSTITUTES & CROSS-REFERENCES 2

11437691Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

R02D06E1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 11437691-3?

11437691-3 is a COUPLING HALF,QUICK DISCONNECT.

What parts can replace 11437691-3?

There are 2 known substitutes for 11437691-3: 11437691, R02D06E1. Substitute compatibility should be verified for your specific system.

What is the NSN for 11437691-3?

11437691-3 is cataloged in the U.S. Government catalog under NSN 4730-01-448-8423. This indicates validated use in U.S. government and defense supply chains.

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