1SR4 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

1SR4: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM BODY, leg_length: 0.938 INCHES NOMINAL IN, overall_length: 3.062 INCHES NOMINAL IN, connection_type: THREADED INTERNAL HOSE FIRST FLUID END CONNECTION, connection_style: GASKET SEAL ALL ENDS, style_designator: MALE COUPLING HALF. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-041-5157, 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

1SR4

NSN: 4730-01-041-5157
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 45152 — OSHKOSH CORP (USA)

SPECIFICATIONS

material	ALUMINUM BODY
leg_length	0.938 INCHES NOMINAL IN
overall_length	3.062 INCHES NOMINAL IN
connection_type	THREADED INTERNAL HOSE FIRST FLUID END CONNECTION
connection_style	GASKET SEAL ALL ENDS
style_designator	MALE COUPLING HALF
nominal_thread_size	2.500 INCHES ALL ENDS IN
quick_disconnect_method	PUSH-LOCK ALL ENDS
thread_quantity_per_inch	7-1/2 ALL ENDS
thread_series_designator	NH ALL ENDS
NSN	4730-01-041-5157

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: GASKET SEAL ALL ENDS

•

CONNECTION TYPE: EXTERNAL QUICK DISCONNECT ALL ENDS

•

STYLE DESIGNATOR: MALE COUPLING HALF

•

LEG LENGTH: 0.938 INCHES NOMINAL IN

•

NOMINAL THREAD SIZE: 2.500 INCHES ALL ENDS IN

•

THREAD QUANTITY PER INCH: 7-1/2 ALL ENDS

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	GASKET SEAL ALL ENDS
CONNECTION TYPE	EXTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION TYPE	THREADED INTERNAL HOSE FIRST FLUID END CONNECTION
STYLE DESIGNATOR	MALE COUPLING HALF
OVERALL LENGTH	3.062 INCHES NOMINAL IN
LEG LENGTH	0.938 INCHES NOMINAL IN
NOMINAL THREAD SIZE	2.500 INCHES ALL ENDS IN
THREAD QUANTITY PER INCH	7-1/2 ALL ENDS
MATERIAL	ALUMINUM BODY
QUICK DISCONNECT METHOD	PUSH-LOCK 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

RM1-105Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

RMI-105Reference 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 1SR4?

1SR4 is a COUPLING HALF,QUICK DISCONNECT.

What parts can replace 1SR4?

There are 2 known substitutes for 1SR4: RM1-105, RMI-105. Substitute compatibility should be verified for your specific system.

What is the NSN for 1SR4?

1SR4 is cataloged in the U.S. Government catalog under NSN 4730-01-041-5157. This indicates validated use in U.S. government and defense supply chains.

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1SR4 — COUPLING HALF,QUICK DISCONNECT

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