NSN 4730-00-542-4382, 4730005424382
REDUCER,TUBE

Federal Supply Classification: FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number: NIIN 005424382
Codification Country: United States
Item Name Code: INC 08506
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

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DLMS^® Summary

National Stock Number 4730-00-542-4382

National Stock Number (NSN) 4730-00-542-4382, or NIIN 005424382, (reducer,tube) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 08506. [A STRAIGHT TUBE FITTING HAVING A DIFFERENT SIZE CONNECTION ON EACH END. IT IS DESIGNED TO JOIN TWO TUBES OF DIFFERENT SIZES. EXCLUDES:BUSHING (AS MODIFIED).]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730005424382 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: (CWFK) 0.033 INCHES 2ND END
CONNECTION TYPE: (AWLS) UNTHREADED INTERNAL TUBE 2ND END
CONNECTION TYPE: (AWLS) UNTHREADED INTERNAL TUBE 1ST END
MAXIMUM OPERATING PRESSURE: (CQGM) 1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: (CWFD) 0.540 INCHES 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: (CWFD) 0.675 INCHES 1ST END
MAXIMUM OPERATING TEMP: (AEHZ) 65.6 DEG CELSIUS SINGLE RESPONSE
NOMINAL OVERALL LENGTH: (CWFR) 1.440 INCHES
REDUCER TYPE: (ACSP) CONCENTRIC
MAXIMUM OPERATING TEMP: (AEHZ) 65.6 CELSIUS SINGLE RESPONSE
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: (CWFK) 0.037 INCHES 1ST END
CONNECTION STYLE: (AHNC) STREAMLINED W/ TWO BRAZING RINGS (TUBE) ALL ENDS
MATERIAL: (MATT) COPPER ALLOY OVERALL
MEDIA FOR WHICH DESIGNED: (MEDA) WATER-OIL-GAS SINGLE RESPONSE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: (ZZZY) AS DIFFERENTIATED BY ITEM NAME AND TUBE DESIGNATION ON BOTH ENDS
FURNISHED ITEMS AND QUANTITY: (TMQY) 4 PREINSERTED BRAZING RING