National Stock Number
5330-01-251-1985
National Stock Number (NSN) 5330-01-251-1985, or NIIN 012511985, (seal,plain) was assigned March 14, 1987 in the Federal Logistics Information System (FLIS). NIIN 012511985 was cancelled on February 2, 2011, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5330013980153. This NSN does not replace any other NSNs.
There are 2 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, only one supplier is 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 assigned to Item Name Code (INC) 04250. [A PLIABLE RUBBER OR COMPOSITION RING-SHAPED ELEMENT, SPLIT OR JOINTLESS (SOLID) NOT ENCASED IN A METAL SHELL, BUT HAVING A SPRING, SPREADER AND/OR MOLDED-IN REINFORCEMENT. IT IS DESIGNED TO BE PRESSMOUNTED BETWEEN FIXED AND MOVABLE OR MOVING PARTS TO FORM A TIGHT AND EFFECTIVE SEAL.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 5330012511985 does not contain precious metals.
This information was last updated on Aug 01, 2025.