National Stock Number (NSN) 4730-00-278-0155, or NIIN 002780155, (elbow,pipe to tube) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 2530009341999, 4730002784722, 4730009854808.
There are 26 manufacturer part numbers associated with this NSN. 14 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 22 suppliers. Today, 14 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Nov 13, 2014. There have been 5 contracts issued for this part number, with 28 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE7M315V0661, SPE7M313V1253, SPE7M313V1253, SPE7M313V1253, SPM7LX10D9009. The total value of the awarded contracts has been US$ 93,781.29.
This NSN is very common among different weapons systems, belonging to 46 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 Aug 02, 2006, 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) 03770. [A FITTING THAT FORMS AN ANGLE OF LESS THAN 180 DEGREES (3.142 RADIANS) FROM THE STRAIGHT FLOW. ONE CONNECTING END HAS STANDARD PIPE THREADS, OR IS UNTHREADED AND DESIGNED TO ACCOMMODATE A PIPE. THE OTHER END HAS MACHINE THREADS (STRAIGHT THREADS OTHER THAN PIPE OR HOSE SERIES) DESIGNED TO ACCOMMODATE A TUBE, OR IS UNTHREADED AND DESIGNED TO ACCOMMODATE A TUBE. IT MAY HAVE SIDE OR HEEL INLET(S). SEE ALSO ELBOW, PIPE; ELBOW, TUBE; AND CONNECTOR, MULTIPLE, FLUID PRESSURE LINE.]. 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 4730002780155 contains an unknown precious metal.
This NSN is associated to Schedule B 7412200000: copper alloy tube or pipe fittings. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on Jul 01, 2025.