National Stock Number
4820-01-212-9970
National Stock Number (NSN) 4820-01-212-9970, or NIIN 012129970, (valve,butterfly) was assigned July 20, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 10 contracts issued for this part number, with 10 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 8 different suppliers. The last contract numbers awarded were: SPE7MC25P1256, SPE7MC23P1185, SPE7M122V075W, SPE7MC21P4299, SPE7MC21P4299. The total value of the awarded contracts has been US$ 96,725.80.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
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 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) 05489. [A VALVE THAT CONTROLS FLOW BY A CIRCULAR DISK, OR A PAIR OF SEMICIRCULAR DISKS, ATTACHED TO A COMMON SPINDLE OR LEVER TURNING ON A DIAMETRAL AXIS.]. 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 4820012129970 does not contain precious metals.
This information was last updated on Jul 01, 2025.