National Stock Number (NSN) 4710-01-218-6952, or NIIN 012186952, (tube assembly,metal) was assigned October 17, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4710010784704.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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 5 years, with the most recent procurement date of Jan 31, 2019. There have been 3 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE7M119FA6HT, SPM7LX10D9005, SPM70099D9727, SPM70099D9727, SPM70099D9727. The total value of the awarded contracts has been US$ 10,828.49.
This NSN is somewhat common among different platforms, belonging to 8 different weapons systems.
There has been very little 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 08, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 21989. [A LENGTH OF TUBING, STRAIGHT, OR PREBENT TO A PREDETERMINED ANGLE, WITH ADDED COMPONENT(S) THAT FORMS AN END CONNECTION ON ONE OR BOTH ENDS. FOR FLEXIBLE TUBE ASSEMBLIES, SEE HOSE ASSEMBLY (AS MODIFIED). FOR ITEMS HAVING PERFORATIONS IN THE TUBING OR ATTACHMENTS, SEE TUBE ASSEMBLY, FIRE EXTINGUISHING SYSTEM. EXCLUDES:ITEMS HAVING INTEGRAL PREFORMED OR PLAIN ENDS, TUBE, BENT (AS MODIFIED), AND ITEMS WHICH ARE BRANCHED OR FORKED.]. 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 4710012186952 does not contain precious metals.
This NSN is associated to Schedule B 8302494500: other base metal mountings, fittings and similar articles for railway vehicles, aircraft, vessels and other vehicles (exc motor vehicles) of sectn 18. The Schedule B End Use is listed as railway transportation equipment. NAICS classification category 332510: hardware manufacturing.
This information was last updated on Aug 01, 2025.