221501-6-4S — REDUCER,TUBE

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

221501-6-4S: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle: 37.0 DEGREES ALL ENDS, reducer_type: CONCENTRIC, thread_class: 2B FIRST END, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: FLARED (TUBE) SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-173-9258, 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

221501-6-4S

NSN: 4730-01-173-9258
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)

SPECIFICATIONS

material	STEEL OVERALL
seat_angle	37.0 DEGREES ALL ENDS
reducer_type	CONCENTRIC
thread_class	2B FIRST END
connection_type	THREADED EXTERNAL TUBE SECOND END
connection_style	FLARED (TUBE) SECOND END
nominal_thread_size	0.562 INCHES FIRST END IN
nominal_overall_length	1.400 INCHES IN
thread_series_designator	UNF ALL ENDS
nominal_outside_diameter_tube_accommodated	0.250 INCHES SECOND END IN
NSN	4730-01-173-9258

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: FLARED (TUBE) SECOND END

•

NOMINAL OVERALL LENGTH: 1.400 INCHES IN

•

CONNECTION TYPE: THREADED EXTERNAL TUBE SECOND END

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES FIRST END IN

•

NOMINAL THREAD SIZE: 0.437 INCHES SECOND END IN

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	FLARED (TUBE) SECOND END
CONNECTION STYLE	SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
NOMINAL OVERALL LENGTH	1.400 INCHES IN
CONNECTION TYPE	THREADED EXTERNAL TUBE SECOND END
CONNECTION TYPE	THREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.375 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES SECOND END IN
NOMINAL THREAD SIZE	0.437 INCHES SECOND END IN
NOMINAL THREAD SIZE	0.562 INCHES FIRST END IN
SEAT ANGLE	37.0 DEGREES 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

10513271Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

6-4TRTX-S C/W 6BTX-SSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 221501-6-4S?

221501-6-4S is a REDUCER,TUBE.

What parts can replace 221501-6-4S?

There are 2 known substitutes for 221501-6-4S: 10513271, 6-4TRTX-S C/W 6BTX-S. Substitute compatibility should be verified for your specific system.

What is the NSN for 221501-6-4S?

221501-6-4S is cataloged in the U.S. Government catalog under NSN 4730-01-173-9258. This indicates validated use in U.S. government and defense supply chains.

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