National Stock Number
4820-01-355-7751
National Stock Number (NSN) 4820-01-355-7751, or NIIN 013557751, (valve,expansion) was assigned March 23, 1992 in the Federal Logistics Information System (FLIS). NIIN 013557751 was cancelled on April 2, 2004, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4820015080893. 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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 unique to one weapons system.
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 4820013557751 does not contain precious metals.
This information was last updated on Aug 01, 2025.