National Stock Number (NSN) 4730-00-052-8502, or NIIN 000528502, (nipple,pipe) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 4730012777550, 4730012200898, 4730012312754, 4730013464146, 4730003141738.
There are 33 manufacturer part numbers associated with this NSN. 9 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 27 suppliers. Today, 22 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 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 383 contracts issued for this part number, with 484 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 9 different suppliers. The last contract numbers awarded were: SPE7M124P8867, SPE7MX21FA8MU, SPE7MX21FA7ZL, SPE7MX21FA7BV, SPE7MX21FA6ZB. The total value of the awarded contracts has been US$ 5,836.44.
This NSN is very common among different weapons systems, belonging to 69 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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 14, 2014, 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) 03782. [A STRAIGHT ONE-PIECE METALLIC PIPE 12 INCHES(304 MM)OR LESS IN LENGTH HAVING EXTERNAL THREADS OF THE SAME SIZE ON BOTH ENDS. IT MAY HAVE A CENTER SECTION WHICH IS EXTERNALLY SHAPED TO ACCOMMODATE A WRENCH. FOR PIPE HAVING INTERNAL THREADS 12 INCHES(304 MM)OR LESS IN LENGTH SEE COUPLING,PIPE. FOR PIPE IN EXCESS OF 12 INCHES(304 MM)SEE PIPE 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 4730000528502 does not contain precious metals.
This NSN is associated to Schedule B 8710000090: parts of armored fighting vehicles,motorized, whether or not fitted with weapons. The Schedule B End Use is listed as military trucks, armored vehicles, etc.. NAICS classification category 336992: military armored vehicle, tank, and tank component manufacturing.
This information was last updated on Jul 01, 2025.