NSN 4730-00-999-2356, 4730009992356
REDUCER,PIPE

Federal Supply Classification: FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number: NIIN 009992356
Codification Country: United States
Item Name Code: INC 08505
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 4730-00-999-2356

National Stock Number (NSN) 4730-00-999-2356, or NIIN 009992356, (reducer,pipe) was assigned May 6, 1966 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.

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

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.

This NSN is assigned to Item Name Code (INC) 08505. [A STRAIGHT PIPE FITTING HAVING A DIFFERENT SIZE CONNECTION ON EACH END. IT IS DESIGNED TO JOIN TWO PIPES OF DIFFERENT SIZES OR TWO PIPE FITTINGS 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 4730009992356 contains an unknown precious metal.

This NSN is associated to Schedule B 7307992000: other fittings nesoi of iron or nonalloy steel. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.

This information was last updated on Aug 01, 2025.

Technical Characteristics

CONNECTION TYPE: (AWLS) THREADED INTERNAL PIPE 1ST END
CONNECTION TYPE: (AWLS) THREADED INTERNAL PIPE 2ND END
CONNECTION STYLE: (AHNC) PLAIN (PIPE) 1ST END
CONNECTION STYLE: (AHNC) PLAIN (PIPE) 2ND END
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: (MATT) IRON OVERALL
MAXIMUM OPERATING PRESSURE: (CQGM) 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP: (AEHZ) 260.0 CELSIUS SINGLE RESPONSE
MEDIA FOR WHICH DESIGNED: (MEDA) STEAM SINGLE RESPONSE
NOMINAL OVERALL LENGTH: (CWFR) 1.130 INCHES
NOMINAL PIPE SIZE ACCOMMODATED: (AAAR) 0.250 INCHES 2ND END
NOMINAL PIPE SIZE ACCOMMODATED: (AAAR) 0.375 INCHES 1ST END
NOMINAL THREAD SIZE: (CQJX) 0.250 INCHES 2ND END
NOMINAL THREAD SIZE: (CQJX) 0.375 INCHES 1ST END
REDUCER TYPE: (ACSP) CONCENTRIC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE INSIDE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE
SURFACE TREATMENT: (SFTT) CADMIUM INSIDE
SURFACE TREATMENT: (SFTT) CADMIUM OUTSIDE
THREAD SERIES DESIGNATOR: (THSD) NPT 1ST END
THREAD SERIES DESIGNATOR: (THSD) NPT 2ND END
MAXIMUM OPERATING TEMP: (AEHZ) 260.0 DEG CELSIUS SINGLE RESPONSE