National Stock Number (NSN) 4730-00-050-4205, or NIIN 000504205, (fitting,lubrication) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 4730008878296, 4730002788775, 4730009201195, 4730008345922, 4730002895886.
There are 40 manufacturer part numbers associated with this NSN. 26 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 24 suppliers. Today, 15 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 22 sources of supply.
This part number has not been procured by the US Government in over a year. There have been 25 contracts issued for this part number, with 25 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 18 different suppliers. The last contract numbers awarded were: SPE4A723F7488, SPE4A722F3446, SPE4A722F3446, SPE4A722F3446, SPE4A722F3446. The total value of the awarded contracts has been US$ 748,874.88.
This NSN is very common among different weapons systems, belonging to 154 different platforms.
There has been a moderate amount of demand for this national stock number. Globally, demand for this NSN has originated from 13 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 25, 2010, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 03177. [A SPECIFICALLY DESIGNED ITEM PRESSED OR THREADED INTO A LUBRICATION PASSAGE, FOR THE PURPOSE OF ADAPTING A RELATED COUPLER AND/OR GREASE GUN, TO DISPENSE GREASE TO A BEARING, SHAFT AND SIMILAR ITEMS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730000504205 contains an unknown precious metal.
This NSN is associated to Schedule B 7307992000: other fittings nesoi of iron or nonalloy steel. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on Jul 01, 2026.