National Stock Number
4710-01-167-0728
National Stock Number (NSN) 4710-01-167-0728, or NIIN 011670728, (tube assembly,metal) was assigned November 21, 1983 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The cost to the Government to breakout this part and acquire it competitively has been determined to exceed the projected savings over the life span of the part. 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 4710011670728 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.