National Stock Number
4820-00-639-9491
National Stock Number (NSN) 4820-00-639-9491, or NIIN 006399491, (valve,angle) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4820013087167.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 15, 2020. There have been 17 contracts issued for this part number, with 17 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE7M021F0306, SPE7MC20V1946, SPE7MC20V1143, SPE7M019V7974, SPE7M019V5225. The total value of the awarded contracts has been US$ 47,550.86.
This NSN is fairly common among different weapons systems, belonging to 17 different platforms.
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 Jan 01, 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 or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 05483. [A VALVE WITH ONE INLET AND ONE OUTLET CONNECTION WITH OUTLET FLOW AT AN ANGLE TO INLET FLOW. THE FLOW IS CONTROLLED BY THE ACTION OF A STEM WHICH LIFTS DISKS PERPENDICULARLY OFF THE CENTER AXIS OF ITS SEAT. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. EXCLUDES:VALVE (1), Y; VALVE, STOP-CHECK; AND COCK, SHUTOFF, SCREW STEM.]. 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 4820006399491 does not contain precious metals.
This information was last updated on Aug 01, 2025.