4589K91 — REDUCER,PIPE

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

4589K91: REDUCER,PIPE.

The REDUCER,PIPE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL, reducer_type: CONCENTRIC, connection_type: THREADED INTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, nominal_thread_size: 0.750 INCHES FIRST END IN, maximum_operating_temp: 85.0 CELSIUS SINGLE RESPONSE DEGC. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-163-4440, 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

4589K91

NSN: 4730-00-163-4440
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)

SPECIFICATIONS

material	PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
reducer_type	CONCENTRIC
connection_type	THREADED INTERNAL PIPE FIRST END
connection_style	PLAIN (PIPE) FIRST END
nominal_thread_size	0.750 INCHES FIRST END IN
maximum_operating_temp	85.0 CELSIUS SINGLE RESPONSE DEGC
nominal_overall_length	2.000 INCHES IN
thread_series_designator	NPT ALL ENDS
NSN	4730-00-163-4440

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: PLAIN (PIPE) FIRST END

•

NOMINAL OVERALL LENGTH: 2.000 INCHES IN

•

CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END

•

NOMINAL THREAD SIZE: 1.000 INCHES SECOND END IN

•

MAXIMUM OPERATING TEMP: 85.0 CELSIUS SINGLE RESPONSE DEGC

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	PLAIN (PIPE) FIRST END
CONNECTION STYLE	PLAIN (PIPE) SECOND END
NOMINAL OVERALL LENGTH	2.000 INCHES IN
CONNECTION TYPE	THREADED INTERNAL PIPE FIRST END
CONNECTION TYPE	THREADED EXTERNAL PIPE SECOND END
NOMINAL THREAD SIZE	1.000 INCHES SECOND END IN
NOMINAL THREAD SIZE	0.750 INCHES FIRST END IN
MAXIMUM OPERATING TEMP	85.0 CELSIUS SINGLE RESPONSE DEGC
MATERIAL	PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
THREAD SERIES DESIGNATOR	NPT ALL ENDS

SUBSTITUTES & CROSS-REFERENCES 4

839-131CReference document

Same NSN cross-reference

Reference document — Secondary reference

5118-3-4 1X3/4Reference document

Same NSN cross-reference

Reference document — Secondary reference

05050035Reference document

Same NSN cross-reference

Reference document — Secondary reference

5362Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4589K91?

4589K91 is a REDUCER,PIPE.

What parts can replace 4589K91?

There are 4 known substitutes for 4589K91: 839-131C, 5118-3-4 1X3/4, 05050035 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 4589K91?

4589K91 is cataloged in the U.S. Government catalog under NSN 4730-00-163-4440. This indicates validated use in U.S. government and defense supply chains.

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