National Stock Number
4820-01-542-4898
National Stock Number (NSN) 4820-01-542-4898, or NIIN 015424898, (valve,expansion) was assigned August 8, 2006 in the Federal Logistics Information System (FLIS). NIIN 015424898 was cancelled on March 2, 2008, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4820015500149. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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) 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 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 4820015424898 does not contain precious metals.
This information was last updated on Aug 01, 2025.