National Stock Number
4730-00-375-7432
National Stock Number (NSN) 4730-00-375-7432, or NIIN 003757432, (fitting,lubrication) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 4 stock numbers: 4730015309523, 4730002552690, 4730005738836, 4730002130109.
There are 7 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is fairly common among different weapons systems, belonging to 11 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 13, 2008, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
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 4730003757432 contains an unknown precious metal.
This NSN is associated to Schedule B 7507200000: tube or pipe fittings of nickel. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on Aug 01, 2025.