12-4-TRBU-SS — REDUCER,TUBE

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

12-4-TRBU-SS: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, seat_angle: 12.0 DEGREES FIRST END, reducer_type: CONCENTRIC, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: PLAIN (TUBE) SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-435-7723, 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

12-4-TRBU-SS

NSN: 4730-01-435-7723
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
seat_angle	12.0 DEGREES FIRST END
reducer_type	CONCENTRIC
thread_class	2A FIRST END A
connection_type	THREADED EXTERNAL TUBE FIRST END
connection_style	PLAIN (TUBE) SECOND END
surface_treatment	PHOSPHATE OVERALL
nominal_thread_size	0.438 INCHES FIRST END IN
nominal_overall_length	1.950 INCHES IN
end_item_identification	A/C SALVAGE
thread_series_designator	UNF FIRST END
nominal_outside_diameter_tube_accommodated	0.250 INCHES FIRST END IN
NSN	4730-01-435-7723

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: PLAIN (TUBE) SECOND END

•

NOMINAL OVERALL LENGTH: 1.950 INCHES IN

•

CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.750 INCHES SECOND END IN

•

NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	PLAIN (TUBE) SECOND END
CONNECTION STYLE	FLARELESS (TUBE) FIRST END
NOMINAL OVERALL LENGTH	1.950 INCHES IN
CONNECTION TYPE	THREADED EXTERNAL TUBE FIRST END
CONNECTION TYPE	UNTHREADED EXTERNAL TUBE SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.750 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES FIRST END IN
NOMINAL THREAD SIZE	0.438 INCHES FIRST END IN
SEAT ANGLE	12.0 DEGREES FIRST END
SURFACE TREATMENT	PHOSPHATE OVERALL

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 1

1764AS273Same 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 12-4-TRBU-SS?

12-4-TRBU-SS is a REDUCER,TUBE.

What parts can replace 12-4-TRBU-SS?

There is 1 known substitute for 12-4-TRBU-SS: 1764AS273. Substitute compatibility should be verified for your specific system.

What is the NSN for 12-4-TRBU-SS?

12-4-TRBU-SS is cataloged in the U.S. Government catalog under NSN 4730-01-435-7723. This indicates validated use in U.S. government and defense supply chains.

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