National Stock Number (NSN) 4730-00-050-4207, or NIIN 000504207, (fitting,lubrication) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 16 stock numbers. Five of the National Stock Numbers that it replaces are: 4730005950158, 4730012350773, 4620009639876, 4730000547608, 4730010118709.
There are 57 manufacturer part numbers associated with this NSN. 37 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 39 suppliers. Today, 23 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 built a very strong supply chain for this NSN. We have direct relationships with 29 sources of supply.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jul 02, 2018. There have been 21 contracts issued for this part number, with 20 awards given. There is heavy competition for this NSN. The US Government has awarded contracts to 11 different suppliers. The last contract numbers awarded were: SPE4A018V1272, SPE4A018V1297, SPE4A018V1297, SPE4A018V1272, SPE4A418V4939. The total value of the awarded contracts has been US$ 430,310.38.
This NSN is very common among different weapons systems, belonging to 150 different platforms.
There has been a moderate amount of demand for this national stock number. Globally, demand for this NSN has originated from 11 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 21, 2013, 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 but does have other critical feature(s) 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 4730000504207 does not contain precious metals.
This NSN is associated to Schedule B 8710000090: parts of armored fighting vehicles,motorized, whether or not fitted with weapons. The Schedule B End Use is listed as military trucks, armored vehicles, etc.. NAICS classification category 336992: military armored vehicle, tank, and tank component manufacturing.
This information was last updated on Aug 01, 2025.