National Stock Number
4820-00-368-6657
National Stock Number (NSN) 4820-00-368-6657, or NIIN 003686657, (stem,needle valve) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 2910004701852, 2910008165988, 2910001452049.
There are 5 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 02, 2007, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 28686. [A METALLIC, NEEDLE SHAPED ITEM HAVING A ONE-PIECE STEM THREADED FOR SECURING TO, OR POSITIONING INTO, A MATING PART. THE POINT MAY BE OF VARIOUS ANGLES OR SHAPES, SUCH AS CONICAL OR TAPERED, TO CORRESPOND WITH THE MATING SEAT. THE ITEM IS DESIGNED FOR THE FINE CONTROL FLOW OR RESTRICTION OF LIQUIDS OR GASES IN A GIVEN SYSTEM. IT MAY BE PROVIDED WITH A KNURLED HEAD FOR ROTATION BY THUMBS AND FINGERS, OR BE DRIVEN WITH EITHER A WRENCH, HANDLE, OR INSERTED DRIVER. EXCLUDES VALVE, FUEL-AIR MIXTURE CONTROL, AUTOMATIC.]. 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 4820003686657 contains an unknown precious metal.
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 Aug 01, 2025.