National Stock Number
4940-99-453-3993
National Stock Number (NSN) 4940-99-453-3993, or NIIN 994533993, (adapter,mechanical test) has an unknown assigned date. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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 somewhat common among different platforms, belonging to 2 different weapons systems.
This NSN is assigned to Item Name Code (INC) 39937. [AN ITEM WHICH PROVIDES FACILITIES FOR MECHANICALLY CONNECTING AN ITEM TO BE TESTED AND A PIECE OF TEST EQUIPMENT. IT MAY INCLUDE HYDRAULIC AND/OR PNEUMATIC FUNCTIONS. DO NOT USE FOR CONNECTOR, MULTIPLE, FLUID MEASURE LINE OR MANIFOLD, HYDRAULIC SYSTEM ACCESSORIES OR THE LIKE. EXCLUDES:ADAPTER (2), TEST.].
This information was last updated on Aug 06, 2025.