National Stock Number (NSN) 9390-00-839-1864, or NIIN 008391864, (bellows,protection) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2920007638723.
There are 16 manufacturer part numbers associated with this NSN. 9 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 18 suppliers. Today, 12 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 9 suppliers 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, with the most recent procurement date of Oct 22, 2018. There have been 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE8E519V0300, SPM8E611V2081, SPM8E611V2081, SPM8E611M2763, SPM8E611M2763. The total value of the awarded contracts has been US$ 5,313.81.
This NSN is very common among different weapons systems, belonging to 108 different platforms.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 1,800. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 19, 2018, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 35168. [A NONMETALLIC, ACCORDIAN SHAPED PROTECTIVE COVERING DESIGNED TO FLEX DUE TO RELATIVE MOTION BETWEEN PARTS TO WHICH ITS OPPOSITE ENDS ARE ATTACHED. IT IS PRIMARILY USED TO COVER THE OPENING AROUND A MOVABLE PUSH-PULL ROD OR PART PASSING THROUGH A HOLE IN A BULKHEAD, PARTITION OR THE LIKE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. 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 9390008391864 contains an unknown precious metal.
This NSN is associated to Schedule B 4016930000: gaskets, washers and other seals, of vulcanized rubber other than hard rubber. The Schedule B End Use is listed as industrial rubber products. NAICS classification category 339991: gasket, packing, and sealing device manufacturing.
This information was last updated on Aug 01, 2025.