National Stock Number (NSN) 4710-00-797-3320, or NIIN 007973320, (tube,bent,metallic) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2990007135008.
There are 7 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 6 different weapons systems.
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 directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 32507. [A BENT HOLLOW ITEM, WELDED OR SEAMLESS. IT HAS A ROUND, SQUARE OR ANY OTHER CROSS SECTION, WITH A CONTINUOUS PERIPHERY. IT IS PRIMARILY DESIGNED TO CONVEY FLUIDS, GASES AND/OR SEMISOLIDS. EXCLUDES:ITEMS OF CIRCULAR CROSS SECTION WHICH CONFORM IN DIMENSIONAL CHARACTERISTICS TO PIPE, METALLIC; ELBOW, PIPE; ELBOW, TUBE; BEND, ELECTRICAL CONDUIT; BEND, PIPE, RETURN; AND BEND, TUBE, RETURN. FOR ITEMS WITH END FITTINGS ON ONE OR BOTH ENDS, SEE TUBE ASSEMBLY, METAL.]. 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 4710007973320 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.