National Stock Number
5330-01-333-2816
National Stock Number (NSN) 5330-01-333-2816, or NIIN 013332816, (seal assembly,packing ring) was assigned January 30, 1991 in the Federal Logistics Information System (FLIS). NIIN 013332816 was cancelled on November 2, 2003, with a cancelled status of "Item is Cancelled as Duplicate." This NSN was replaced by NSN 4320012215850. 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. ISO Group has several sources of supply for 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) 37858. [INC 37858 CANCELLED/REPLACED BY ,INC 38077, FIIG A032A0, APP-KEY AG ,ON 060112 ~(ALL EXCEPT USA) FOR USA INC 37858 CANCELED REPLACED BY SEAL RING ASSEMBLY, LABYRINTH: INC 38077, FIIG A032, APPL KEY AG. A METALLIC CIRCULAR SHAPED ITEM CONSISTING OF FOUR MATCHED, NONINTERCHANGEABLE SEGMENTS, MACHINED TO FORM ONE RING. IT HAS A UNIQUE LABYRINTH DESIGN ON THE SURFACE OF THE INSIDE DIAMETER. IT IS DESIGNED TO EITHER PREVENT STEAM LEAKAGE OR ALLOW DESIGNATED AMOUNTS OF STEAM TO PASS THROUGH.]. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5330013332816 contains an unknown precious metal.
This information was last updated on Jul 01, 2025.