558-6340921ITEM25 — REDUCER,TUBE

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

558-6340921ITEM25: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARELESS (TUBE) FIRST END, nominal_overall_length: 2.030 INCHES IN, criticality_code_justification: ZZZY, nominal_outside_diameter_tube_accommodated: 0.500 INCHES SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-236-1321, 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

558-6340921ITEM25

NSN: 4730-01-236-1321
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
connection_type	THREADED EXTERNAL TUBE FIRST END
connection_style	FLARELESS (TUBE) FIRST END
nominal_overall_length	2.030 INCHES IN
criticality_code_justification	ZZZY
nominal_outside_diameter_tube_accommodated	0.500 INCHES SECOND END IN
reference_number_differentiating_characteristics	MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN	4730-01-236-1321

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: PLAIN (TUBE) SECOND END

•

NOMINAL OVERALL LENGTH: 2.030 INCHES IN

•

CRITICALITY CODE JUSTIFICATION: ZZZY

•

CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES SECOND END IN

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	PLAIN (TUBE) SECOND END
CONNECTION STYLE	FLARELESS (TUBE) FIRST END
NOMINAL OVERALL LENGTH	2.030 INCHES IN
CRITICALITY CODE JUSTIFICATION	ZZZY
CONNECTION TYPE	THREADED EXTERNAL TUBE FIRST END
CONNECTION TYPE	UNTHREADED EXTERNAL TUBE SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.500 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.750 INCHES FIRST END IN
MATERIAL	STEEL CORROSION RESISTING OVERALL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS

SUBSTITUTES & CROSS-REFERENCES 2

12-8TRBU-SSReference document

Same NSN cross-reference

Reference document — Design control — primary reference

4302 (CAT)Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 558-6340921ITEM25?

558-6340921ITEM25 is a REDUCER,TUBE.

What parts can replace 558-6340921ITEM25?

There are 2 known substitutes for 558-6340921ITEM25: 12-8TRBU-SS, 4302 (CAT). Substitute compatibility should be verified for your specific system.

What is the NSN for 558-6340921ITEM25?

558-6340921ITEM25 is cataloged in the U.S. Government catalog under NSN 4730-01-236-1321. This indicates validated use in U.S. government and defense supply chains.

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558-6340921ITEM25 — REDUCER,TUBE

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