National Stock Number (NSN) 4820-00-785-8153, or NIIN 007858153, (cock,shutoff,screw stem) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 4 stock numbers: 4820015403024, 4820000690763, 4820000387156, 4820004211499.
There are 22 manufacturer part numbers associated with this NSN. 12 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 16 suppliers. Today, 11 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers 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 a year. There have been 399 contracts issued for this part number, with 353 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 9 different suppliers. The last contract numbers awarded were: SPE7MC24V7420, SPE7M423P2429, SPE7MX21FA7EK, SPE7MX21FA7DS, SPE7MX21FA6HE. The total value of the awarded contracts has been US$ 34,860.42.
This NSN is very common among different weapons systems, belonging to 47 different platforms.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 6 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 16990. [A COMPACT TWO-WAY TYPE OF VALVE MECHANISM HAVING A ONE PIECE BODY AND SEAT AND A ONE PIECE STEM AND DISK. IT HAS NO BONNET, AND IS NOT USED FOR FINE CONTROL OF FLOW. IT IS USED EXTENSIVELY IN THE AUTOMOTIVE FIELD.]. 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 4820007858153 does not contain precious metals.
This NSN is associated to Schedule B 8481909090: parts of taps, cocks, valves and similar appliances, 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.