National Stock Number
1660-00-717-9951
National Stock Number (NSN) 1660-00-717-9951, or NIIN 007179951, (cover,valve) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
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 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, with the most recent procurement date of Sep 25, 2019. There have been 7 contracts issued for this part number, with 7 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A719V2530, SPE4A719V2059, SPM4A711V0940, SPM4A711V0862, SPM4A711V0593. The total value of the awarded contracts has been US$ 83,070.02.
This NSN is unique to one weapons system.
There has been a small amount of 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 Dec 03, 2013, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 77777. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1660007179951 does not contain precious metals.
This NSN is associated to Schedule B 8803300060: other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof). The Schedule B End Use is listed as parts for military-type goods. NAICS classification category 336413: other aircraft parts and auxiliary equipment manufacturing.
This information was last updated on Aug 01, 2025.