National Stock Number
4210-01-566-6479
National Stock Number (NSN) 4210-01-566-6479, or NIIN 015666479, (pipe,bent,fire extinguishing system) was assigned September 5, 2008 in the Federal Logistics Information System (FLIS). NIIN 015666479 was cancelled on February 2, 2013, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. 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 one supplier. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 22, 2020, 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) 61612. [A BENT HOLLOW ITEM, WELDED OR SEAMLESS, WHICH HAS BEEN PERFORATED AT INTERVALS ALONG THE LENGTH FOR USE IN FIRE EXTINGUISHING SYSTEMS. IT HAS A ROUND CROSS SECTION WITH A CONTINUOUS PERIPHERY. IT MAY INCLUDE END FITTING(S) BUT NOT MORE THAN ONE ON EACH END. EXCLUDES:TUBE, BENT, FIRE EXTINGUISHING SYSTEM.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 4210015666479 does not contain precious metals.
This information was last updated on May 01, 2025.