National Stock Number
4320-01-321-2592
National Stock Number (NSN) 4320-01-321-2592, or NIIN 013212592, (seal assembly,shaft,spring loaded) was assigned June 14, 1990 in the Federal Logistics Information System (FLIS). NIIN 013212592 was cancelled on September 2, 2000, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4320011385445. 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) 32556. [A COMBINATION OF ITEMS USED IN SEALING VARIOUS ROTARY SHAFT EQUIPMENT. IT MAY INCLUDE ITEMS SUCH AS BELLOWS, DISK, DRIVE RING, FLEXIBLE DIAPHRAGM, MATING RING, O-RING, RETAINER, SEAT, SLEEVE, WASHER, AND THE LIKE. EXCLUDES:SEAL,PLAIN ENCASED.]. 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 4320013212592 does not contain precious metals.
This information was last updated on Aug 01, 2025.