National Stock Number
4820-01-538-3557
National Stock Number (NSN) 4820-01-538-3557, or NIIN 015383557, (valve,globe) was assigned March 20, 2006 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 4820012519873, 4820011967441.
There are 5 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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, with the most recent procurement date of Sep 04, 2018. There have been 7 contracts issued for this part number, with 25 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M318P6030, SPE7M318P5576, SPE7M318P5118, SPE7M318P3515, SPE7M317P3718. The total value of the awarded contracts has been US$ 1,059,546.96.
This NSN is fairly common among different weapons systems, belonging to 21 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 Aug 12, 2007, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 05485. [A VALVE WITH ONE INLET AND ONE OUTLET CONNECTION WITH OUTLET FLOW PARALLEL TO INLET FLOW. THE FLOW IS CONTROLLED BY THE ACTION OF A STEM WHICH LIFTS THE DISK PERPENDICULARLY OFF THE CENTER AXIS OF ITS SEAT. THE STEM IS AT A 90 DEGREE (1.5708 RADIANS) ANGLE TO AXIS OF FLOW. EXCLUDES:VALVE, STOP-CHECK; COCK, SHUTOFF, SCREW STEM; AND VALVE, SOLENOID.]. 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 4820015383557 does not contain precious metals.
This information was last updated on Jul 01, 2025.