AS4349K04 — COUPLING,TUBE

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

AS4349K04: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, thread_class: 3A SECOND END A, connection_type: THREADED INTERNAL BOSS FIRST END, connection_style: GASKET SEAL (BOSS) FIRST END, special_features: KC173-C4, style_designator: RIGID, SHORT CENTER WRENCHING FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-268-9454, 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

AS4349K04

NSN: 4730-01-268-9454
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	STEEL COMP 316 OVERALL
thread_class	3A SECOND END A
connection_type	THREADED INTERNAL BOSS FIRST END
connection_style	GASKET SEAL (BOSS) FIRST END
special_features	KC173-C4
style_designator	RIGID, SHORT CENTER WRENCHING FACILITY
nominal_thread_size	0.438 INCHES SECOND END IN
nominal_overall_length	1.188 INCHES IN
thread_series_designator	UNF SECOND END
criticality_code_justification	FEAT
nominal_outside_diameter_tube_accommodated	0.250 INCHES FIRST END IN
NSN	4730-01-268-9454

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: GASKET SEAL (BOSS) FIRST END

•

NOMINAL OVERALL LENGTH: 1.188 INCHES IN

•

CRITICALITY CODE JUSTIFICATION: FEAT

•

CONNECTION TYPE: THREADED INTERNAL BOSS FIRST END

•

STYLE DESIGNATOR: RIGID, SHORT CENTER WRENCHING FACILITY

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	GASKET SEAL (BOSS) FIRST END
CONNECTION STYLE	GASKET SEAL (BOSS) SECOND END
NOMINAL OVERALL LENGTH	1.188 INCHES IN
CRITICALITY CODE JUSTIFICATION	FEAT
CONNECTION TYPE	THREADED INTERNAL BOSS FIRST END
CONNECTION TYPE	THREADED INTERNAL BOSS SECOND END
STYLE DESIGNATOR	RIGID, SHORT CENTER WRENCHING FACILITY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES SECOND END IN
NOMINAL THREAD SIZE	0.438 INCHES SECOND END IN

OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008

SUBSTITUTES & CROSS-REFERENCES 2

KC173C4Reference document

Same NSN cross-reference

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

KC173K4Reference document

Same NSN cross-reference

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

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 AS4349K04?

AS4349K04 is a COUPLING,TUBE.

What parts can replace AS4349K04?

There are 2 known substitutes for AS4349K04: KC173C4, KC173K4. Substitute compatibility should be verified for your specific system.

What is the NSN for AS4349K04?

AS4349K04 is cataloged in the U.S. Government catalog under NSN 4730-01-268-9454. This indicates validated use in U.S. government and defense supply chains.

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