National Stock Number (NSN) 2520-01-119-7730, or NIIN 011197730, (seal assembly,final) was assigned October 4, 1981 in the Federal Logistics Information System (FLIS). This NSN replaces 2 stock numbers: 2520006470903, 2520009945777.
There are 8 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 13 sources of supply.
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 13 contracts issued for this part number, with 13 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: SPE7L325P4278, SPE7L325V2721, SPE7L025P0965, SPE7L324P3028, SPE7L323P2933. The total value of the awarded contracts has been US$ 692,630.73.
This NSN is somewhat common among different platforms, belonging to 7 different weapons systems.
There has been a moderate amount of demand for this national stock number. Globally, demand for this NSN has originated from 6 countries. The 24 month forecast from the US Government for this part number has medium volatility, with an estimated forecasted value of US$ 337,108. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 04, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
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 2520011197730 does not contain precious metals.
This NSN is associated to Schedule B 8483909500: parts, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333613: mechanical power transmission equipment manufacturing.
This information was last updated on Aug 01, 2025.