National Stock Number
4820-01-297-8033
National Stock Number (NSN) 4820-01-297-8033, or NIIN 012978033, (valve,ball) was assigned April 7, 1989 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2910013468254.
There are 5 manufacturer part numbers associated with this NSN. 2 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 not been procured by the US Government in over a year. There have been 26 contracts issued for this part number, with 32 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7LX23F23QD, SPE7LX23F23QD, SPE7LX23F98K5, SPE7LX23F51X3, SPE7LX23F803U. The total value of the awarded contracts has been US$ 773,525.13.
This NSN is somewhat common among different platforms, belonging to 9 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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 120,982. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 06, 2017, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 20962. [A MULTI-PORTED, NONLUBRICATED VALVE DESIGNED TO PROVIDE STRAIGHT THROUGH FLOW OR ABILITY TO DIRECT A NUMBER OF FLOWS OR PRESSURE THROUGH A SINGLE VALVE. THE FLOW IS CONTROLLED BY THE ROTATION OF A PORTED BALL WITHIN A SUITABLE PORTED SEAT(S). THE BALL IS USUALLY ENGAGED BY A STEM. IT IS NORMALLY OPERATED IN AN OPEN OR CLOSED POSITION. EXCLUDES:VALVE, CHECK.]. 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 4820012978033 does not contain precious metals.
This information was last updated on Aug 01, 2025.