National Stock Number (NSN) 4820-00-466-1945, or NIIN 004661945, (valve,tee) was assigned January 23, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2530002621409.
There are 7 manufacturer part numbers associated with this NSN. 5 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over a year. There have been 17 contracts issued for this part number, with 17 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 11 different suppliers. The last contract numbers awarded were: SPE7MC24P0192, SPE7MC23V6108, SPE7MC23P1998, SPE7MC22P1789, SPE7MC20V2281. The total value of the awarded contracts has been US$ 170,908.04.
This NSN is somewhat common among different platforms, belonging to 6 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$ 22,390. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 07, 2008, 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) 31988. [A VALVE WITH THREE CONNECTIONS POSITIONED PARALLEL AND/OR 90 DEGREES (1.5708 RADIANS) FROM EACH OTHER AND ARE NOT ON A RUN. THE FLOW IS CONTROLLED BY THE ACTION OF A STEM WHICH LIFTS A DISK PERPENDICULARLY OFF THE CENTER AXIS OF ITS SEAT.]. 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 4820004661945 contains an unknown precious metal.
This NSN is associated to Schedule B 8481809050: other taps, cocks, valves, etc., nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332911: industrial valve manufacturing.
This information was last updated on Jul 01, 2025.