National Stock Number
4710-01-443-4440
National Stock Number (NSN) 4710-01-443-4440, or NIIN 014434440, (tube,metallic) was assigned April 10, 1997 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
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 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 07, 2003, 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 design of this part is unstable. Engineering, manufacturing, or performance characteristics indicate that the required design objectives have not been achieved. Major changes are contemplated because the part has a low process yield or has demonstrated marginal performance during tests or service use. These changes will render the present part obsolete and unusable in its present configuration. Limited acquisition from the present source is anticipated pending configuration changes. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 31979. [A STRAIGHT, HOLLOW PRODUCT, WELDED OR SEAMLESS, OF ROUND, SQUARE, OR ANY OTHER CROSS SECTION AND CONTINUOUS PERIPHERY, WHICH DOES NOT CONFORM IN CROSS SECTIONAL DIMENSIONS TO RECOGNIZED PIPE STANDARDS. IT IS DESIGNED TO CONVEY FLUIDS, GASSES, AND/OR SEMISOLIDS. IT MAY BE ROLLED INTO COILS FOR EASE IN HANDLING. FOR ITEMS DESIGNED TO JOIN A TUBE OR TUBE FITTING TO ANOTHER TUBE, PIPE, OR HOSE OR FITTING, SEE ADAPTER (AS MODIFIED); COUPLIG (AS MODIFIED); OR NIPPLE (AS MODIFIED). EXCLUDES: TUBE,BENT (AS MODIFIED); PIPE,METALLIC; SPACER SLEEVE; METAL BAR (HOLLOW); AND ITEMS WITH FITTING, EXCEPT END PROTECTORS.]. 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 4710014434440 does not contain precious metals.
This information was last updated on Jul 01, 2025.