National Stock Number
4220-01-528-2639
National Stock Number (NSN) 4220-01-528-2639, or NIIN 015282639, (valve,pneumatic inflator) was assigned March 8, 2005 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 27515. [A VALVE DESIGNED TO CONTROL THE INFLATION OF LIFE PRESERVERS, LIFE RAFTS, WATERCRAFT AND THE LIKE. THE INLET END MAY BE DESIGNED FOR ORAL INFLATION, TO MATE WITH AN INFLATION ADAPTOR OR TO CONNECT TO A COMPRESSED GAS CYLINDER. THE OUTLET END MAY BE DESIGNED TO CONNECT THE VALVE TO A PNEUMATIC CHAMBER VALVE STEM OR TO MOUNT DIRECTLY TO THE PNEUMATIC CHAMBER.]. 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 4220015282639 does not contain precious metals.
This information was last updated on Jul 01, 2025.