4RU1-316 — REDUCER,TUBE

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

4RU1-316: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, seat_angle: 20.0 DEGREES ALL ENDS, reducer_type: CONCENTRIC, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARELESS (TUBE) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-015-5878, 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

4RU1-316

NSN: 4730-01-015-5878
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 28968 — CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. DBA HOKE GYROLOK (USA)

SPECIFICATIONS

material	STEEL COMP 316 OVERALL
seat_angle	20.0 DEGREES ALL ENDS
reducer_type	CONCENTRIC
thread_class	3A ALL ENDS A
connection_type	THREADED EXTERNAL TUBE ALL ENDS
connection_style	FLARELESS (TUBE) ALL ENDS
surface_treatment	PASSIVATE OUTSIDE
nominal_thread_size	0.438 INCHES FIRST END IN
nominal_overall_length	1.375 INCHES IN
media_for_which_designed	HYDRAULIC FLUID SINGLE RESPONSE
thread_series_designator	UNF ALL ENDS
material_document_and_classification	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN	4730-01-015-5878

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: FLARELESS (TUBE) ALL ENDS

•

NOMINAL OVERALL LENGTH: 1.375 INCHES IN

•

CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS

•

MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN

•

NOMINAL THREAD SIZE: 0.190 INCHES SECOND END IN

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	FLARELESS (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH	1.375 INCHES IN
CONNECTION TYPE	THREADED EXTERNAL TUBE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.062 INCHES SECOND END IN
NOMINAL THREAD SIZE	0.190 INCHES SECOND END IN
NOMINAL THREAD SIZE	0.438 INCHES FIRST END IN
SEAT ANGLE	20.0 DEGREES ALL ENDS
SURFACE TREATMENT	PASSIVATE OUTSIDE

SUBSTITUTES & CROSS-REFERENCES 3

4-1HBZ-SSSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

400-6-1-316Reference document

Same NSN cross-reference

Reference document — Secondary reference

SS-400-6-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 4RU1-316?

4RU1-316 is a REDUCER,TUBE.

What parts can replace 4RU1-316?

There are 3 known substitutes for 4RU1-316: 4-1HBZ-SS, 400-6-1-316, SS-400-6-1. Substitute compatibility should be verified for your specific system.

What is the NSN for 4RU1-316?

4RU1-316 is cataloged in the U.S. Government catalog under NSN 4730-01-015-5878. This indicates validated use in U.S. government and defense supply chains.

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