National Stock Number
4820-00-138-5800
National Stock Number (NSN) 4820-00-138-5800, or NIIN 001385800, (stem,valve) has an unknown assigned date. NIIN 001385800 was cancelled on September 21, 1999, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 2 stock numbers: 4820012170158, 4820012683308.
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) 77777. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4820001385800 does not contain precious metals.
This information was last updated on Jul 01, 2026.