National Stock Number
4320-01-156-5256
National Stock Number (NSN) 4320-01-156-5256, or NIIN 011565256, (seal assembly,shaft,spring loaded) was assigned June 21, 1983 in the Federal Logistics Information System (FLIS). NIIN 011565256 was cancelled on January 2, 2004, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4320011942955. This NSN replaces 1 stock number, 4320013305475.
There are 9 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 3 suppliers. Today, 2 suppliers are listed as Active suppliers 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, with the most recent procurement date of Jan 25, 2011. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM76001D9723. The total value of the awarded contracts has been US$ 992.68.
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 4320011565256 does not contain precious metals.
This information was last updated on Sep 01, 2024.