National Stock Number
6640-01-677-9591
National Stock Number (NSN) 6640-01-677-9591, or NIIN 016779591, (filtergram) was assigned January 15, 2019 in the Federal Logistics Information System (FLIS). 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 2 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. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 79 contracts issued for this part number, with 74 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 12 different suppliers. The last contract numbers awarded were: SPE2DH25V3216, SPE2DH25V3186, SPE2DH25V3165, SPE2DH25V3113, SPE2DH25V3075. The total value of the awarded contracts has been US$ 351,112.18.
This national stock number is in high demand. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jan 16, 2019, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 77777. 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 6640016779591 does not contain precious metals.
This information was last updated on Aug 01, 2025.