National Stock Number
4820-01-652-2321
National Stock Number (NSN) 4820-01-652-2321, or NIIN 016522321, (valve,globe-check) was assigned February 12, 2016 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 13, 2016, this NSN's acquisition method was noted as: Suitable for competitive acquisition for the first time. (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) 42174. [A VALVE WITH ONE INLET AND ONE OUTLET CONNECTION DESIGNED FOR PRECISE, ADJUSTABLE CONTROL OF THE FLOW IN ONE DIRECTION AND FREE FLOW IN THE OPPOSITE DIRECTION. PRECISE CONTROL IS PROVIDED BY A THREADED NEEDLE OR STEM WHICH IS LIFTED PERPENDICULARLY OFF THE CENTER AXIS OF ITS SEAT. FREE FLOW IS PROVIDED BY AN INTERNAL BY-PASS CHECK VALVE WHICH OPERATES INDEPENDENTLY OF THE NEEDLE OR STEM.]. 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 4820016522321 does not contain precious metals.
This information was last updated on May 01, 2025.