National Stock Number
5330-21-906-1978
National Stock Number (NSN) 5330-21-906-1978, or NIIN 219061978, (retainer,packing) has an unknown assigned date. This NSN replaces 1 stock number, 5330011574111.
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 Apr 17, 2015. There have been 4 contracts issued for this part number, with 4 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE5EM15V4114, SPE5EM15V4114, SPE5EM15M0858, SPE5EM15M0858, SPE5EM14M0986. The total value of the awarded contracts has been US$ 19,724.31.
This NSN is somewhat common among different platforms, belonging to 6 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) 13706. [AN ITEM DESIGNED TO FIT OVER A PACKING GLAND BY MATING WITH A SURFACE OF A SECOND PART WHICH TOGETHER WILL RETAIN INTO A NARROW GROOVE OR CONFINED SPACE THE PACKING, PREFORMED OR O-RING, OR AN ITEM DESIGNED TO FIT OVER A ROD OR SHAFT, TO MATE WITH A STUFFING BOX TO CONFINE PACKING MATERIAL. IT MAY FUNCTION AS A STATIC OR DYNAMIC SEAL RETAINER WITH THE PACKING LOCATED ON, AROUND, OR IN THE CENTERLINE DIRECTION OF THE ROD OR SHAFT AXIS. IT MAY HAVE HOLES OR JOINTS FOR MOUNTING, BE THREADED OR UNTHREADED. SEE ALSO PACKING NUT AND PACKING NUT, STUFFING TUBE.].
This information was last updated on May 28, 2025.