National Stock Number
5330-99-898-9042
National Stock Number (NSN) 5330-99-898-9042, or NIIN 998989042, (back-up ring,preformed packing) has an unknown assigned date. This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 6 contracts issued for this part number, with 6 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7L324V7234, SPE7L323V6747, SPE7L323V5198, SPE7L323V3166, SPE7L323V3106. The total value of the awarded contracts has been US$ 2,763.15.
This NSN is somewhat common among different platforms, belonging to 5 different weapons systems.
There has been a small amount of 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) 66949. [A CIRCULAR SHAPED ITEM WITH AN APERTURE MANUFACTURED TO PREDETERMINED DIMENSIONS, CONSTRUCTED WITH A RECTANGULAR CROSS SECTION THAT MAY BE SOLID, WITH JOINT, OR IN A HELICAL FORM THAT FACILITATES SPIRAL WRAP INSTALLATION. IT PREVENTS SEAL EXTRUSION UNDER PRESSURE AND IS DESIGNED TO FIT ON THE DOWN-PRESSURE SIDE OF A GLAND GROOVE WITH A PACKING, PREFORMED OR O-RING.].
This information was last updated on Jun 02, 2025.