National Stock Number (NSN) 4710-01-277-5623, or NIIN 012775623, (tube assembly,metal) was assigned April 22, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4710012473989.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 2 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 Jun 20, 2012. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPRPA109G003X, N0038303G007A. The total value of the awarded contracts has been US$ 3,035.54.
This NSN is unique to one weapons system.
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 Feb 23, 2018, 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 requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4710012775623 does not contain precious metals.
This NSN is associated to Schedule B 8108908000: other wrought titanium, nesoi. The Schedule B End Use is listed as nonferrous metals, other. NAICS classification category 331491: nonferrous metal (except copper and aluminum) rolling, drawing, and extruding.
This information was last updated on Jul 01, 2025.