National Stock Number (NSN) 4710-00-007-4732, or NIIN 000074732, (tube assembly,metal) was assigned July 6, 1972 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4530010181586.
There are 4 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 2 suppliers. 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.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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 4710000074732 contains an unknown precious metal.
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.