National Stock Number
4820-00-253-5580
National Stock Number (NSN) 4820-00-253-5580, or NIIN 002535580, (float,valve) has an unknown assigned date. NIIN 002535580 was cancelled on September 18, 1999, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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 assigned to Item Name Code (INC) 06693. [A FLOTATION DEVICE USED TO ACTUATE AN INLET OR OUTLET VALVE. IT MAY BE AIRTIGHT AND HOLLOW, OR OF SOLID CONSTRUCTION. EXCLUDES:FLOATS DESIGNED FOR CARBURETORS.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820002535580 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.