National Stock Number (NSN) 4730-01-155-4089, or NIIN 011554089, (flange,pipe) was assigned June 9, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4730010834433.
There are 17 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 13 suppliers. Today, 11 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 8 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 10 contracts issued for this part number, with 10 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE7M324V1692, SPE7M324V1692, SPE7M423V4251, SPE7M422V5241, SPE7M422V3626. The total value of the awarded contracts has been US$ 15,222.06.
This NSN is very common among different weapons systems, belonging to 38 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 817. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 19, 2016, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 03798. [AN ITEM SOLID OR SPLIT INTO HALVES, HAVING A THREADED OR UNTHREADED HOLE FOR THE PURPOSE OF CONNECTING OR RETAINING A PIPE, TUBE, OR HOSE FITTING. THE FACE OF THE FLANGE MAY BE SMOOTH, GROOVED, OR SERRATED AND MAY BE DRILLED FOR CONNECTING BOLTS OR STUDS. IF THE ITEM IS UNTHREADED, THE PIPE OR TUBE MAY BE RETAINED BY WELDING, BRAZING, COMPRESSION, OR THE LIKE. EXCLUDES:FLANGE, PIPE, BLIND; FERRULE, GROOVED CLAMP COUPLING; AND ADAPTER (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 4730011554089 does not contain precious metals.
This NSN is associated to Schedule B 7307912000: flanges 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 May 01, 2025.