National Stock Number
4820-01-321-4993
National Stock Number (NSN) 4820-01-321-4993, or NIIN 013214993, (valve,expansion) was assigned June 19, 1990 in the Federal Logistics Information System (FLIS). NIIN 013214993 was cancelled on February 13, 1998, with a cancelled status of "Item is Cancelled WITHOUT Replacement." 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) 05493. [A SELF-ACTING VALVE SPECIFICALLY DESIGNED FOR USE IN REFRIGERATION SYSTEMS FOR CONTINUAL CONTROL OF RATE OF FLOW OF REFRIGERANT. IT MAY BE ACTUATED BY A THERMOSTATIC ELEMENT OR SELF-ACTUATED.]. 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 4820013214993 does not contain precious metals.
This information was last updated on Jul 01, 2025.