National Stock Number
4820-00-391-3782
National Stock Number (NSN) 4820-00-391-3782, or NIIN 003913782, (cock,shutoff,screw stem) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 9 stock numbers. Five of the National Stock Numbers that it replaces are: 4820003533223, 4820011033722, 4820000357611, 2910004135667, 4820000097234.
There are 29 manufacturer part numbers associated with this NSN. 17 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 20 suppliers. Today, 14 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 8 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 5 years.
This NSN is fairly common among different weapons systems, belonging to 20 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 Apr 25, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 but does have other critical feature(s) 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 4820003913782 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.