4X791 — COUPLING ASSEMBLY,QUICK DISCONNE

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

4X791: COUPLING ASSEMBLY,QUICK DISCONNE.

COUPLING ASSEMBLY,QUICK DISCONNE. Key specifications include material: STEEL OVERALL, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN FIRST FLUID END CONNECTION, style_designator: COUPLING ASSEMBLY, surface_treatment: CADMIUM OVERALL, operating_pressure: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-289-3574, 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

4X791

NSN: 4730-01-289-3574
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)

SPECIFICATIONS

material	STEEL OVERALL
connection_type	THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
connection_style	PLAIN FIRST FLUID END CONNECTION
style_designator	COUPLING ASSEMBLY
surface_treatment	CADMIUM OVERALL
operating_pressure	1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size	0.375 INCHES FIRST FLUID END CONNECTION IN
quick_disconnect_method	PUSH-PULL ALL ENDS
thread_series_designator	NPT FIRST FLUID END CONNECTION
NSN	4730-01-289-3574

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: PLAIN FIRST FLUID END CONNECTION

•

CONNECTION TYPE: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION

•

STYLE DESIGNATOR: COUPLING ASSEMBLY

•

OPERATING PRESSURE: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS

•

NOMINAL THREAD SIZE: 0.375 INCHES FIRST FLUID END CONNECTION IN

•

SURFACE TREATMENT: CADMIUM OVERALL

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	PLAIN FIRST FLUID END CONNECTION
CONNECTION TYPE	THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
CONNECTION TYPE	THREADED EXTERNAL PIPE SECOND FLUID END CONNECTION
STYLE DESIGNATOR	COUPLING ASSEMBLY
OPERATING PRESSURE	1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE	0.375 INCHES FIRST FLUID END CONNECTION IN
NOMINAL THREAD SIZE	0.375 INCHES SECOND FLUID END CONNECTION IN
SURFACE TREATMENT	CADMIUM OVERALL
MATERIAL	STEEL OVERALL
QUICK DISCONNECT METHOD	PUSH-PULL ALL ENDS

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

473000053Reference document

Same NSN cross-reference

Reference document — Secondary reference

6536K29 AND 6534K57Same 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 4X791?

4X791 is a COUPLING ASSEMBLY,QUICK DISCONNE.

What parts can replace 4X791?

There are 2 known substitutes for 4X791: 473000053, 6536K29 AND 6534K57. Substitute compatibility should be verified for your specific system.

What is the NSN for 4X791?

4X791 is cataloged in the U.S. Government catalog under NSN 4730-01-289-3574. This indicates validated use in U.S. government and defense supply chains.

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