National Stock Number (NSN) 3110-01-172-0374, or NIIN 011720374, (plate,retaining,bearing) was assigned February 15, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number 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, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over a year. There have been 9 contracts issued for this part number, with 9 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A520F258D, SPE4A519P5470, SPRTA112G0006, SPRTA112G0006, SPE4A515M7187. The total value of the awarded contracts has been US$ 63,817.62.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
There has been a small amount of demand for this national stock number. 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 Oct 12, 2018, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) 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) 22293. [A COMPARATIVELY FLAT RIGID ITEM, WITH OR WITHOUT A CENTRALLY LOCATED APERTURE, DESIGNED TO HOLD AN ANNULAR BEARING OR A SLEEVE BEARING IN A FITTED INCLOSURE. IT MUST HAVE DRILLED AND/OR TAPPED HOLES FOR MOUNTING PURPOSES. EXCLUDES:END BELL, ELECTRICAL ROTATING EQUIPMENT.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3110011720374 does not contain precious metals.
This NSN is associated to Schedule B 8482997090: parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332991: ball and roller bearing manufacturing.
This information was last updated on Jul 01, 2025.