National Stock Number
5330-21-920-3240
National Stock Number (NSN) 5330-21-920-3240, or NIIN 219203240, (retainer,seal) has an unknown assigned date. NIIN 219203240 was cancelled on December 2, 2002, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5330014981090. 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 2 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. 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) 50336. [AN ITEM OF VARIOUS SHAPES AND CROSS SECTIONS, USUALLY FLANGED AND DESIGNED TO FIT OVER A ROD, SHAFT, OR THE LIKE, FOR THE PURPOSE OF ENCASING AND POSITITIONING A SEAL, PLAIN ENCASED OR A SEAL, PLAIN. THE FLANGE IS USUALLY DRILLED FOR STUD OR BOLT MOUNTING. ITEM DOES NOT INCLUDE THE SEAL. EXCLUDES:RETAINER, PACKING.].
This information was last updated on Aug 04, 2025.