National Stock Number
5340-12-321-8736
National Stock Number (NSN) 5340-12-321-8736, or NIIN 123218736, (cup,compression) 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, with the most recent procurement date of Feb 05, 2019. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE5EK19V2435, SPE5EK19V2021, SPE5EK19V1507, SPE5EK17V4665. The total value of the awarded contracts has been US$ 858.55.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 03435. [A NONMETALLIC CUP-SHAPED ITEM DESIGNED TO BE LOCATED WITHIN A CYLINDER, AND WHOSE CONTACT EDGE WITH THE CYLINDER WALLS IS USUALLY FEATHERED. THIS ITEM, BY MEANS OF EXTRUSION, MAKES CLOSE PHYSICAL CONTACT WITH THE CYLINDER WALLS IN ORDER TO PREVENT THE ESCAPE OF INTERNAL PRESSURE. THE ITEM MAY HAVE A CENTER HOLE AND/OR BOLT HOLES. EXCLUDES:CUP, HYDRAULIC BRAKE CYLINDER.].
This information was last updated on Nov 28, 2025.