National Stock Number (NSN) 3120-00-317-6310, or NIIN 003176310, (bushing,sleeve) was assigned November 16, 1973 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of May 16, 2018. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A618PG090, SPE4A618PG090, SPE4A617P4878, SPE4A616ML148, SPE4A616ML148. The total value of the awarded contracts has been US$ 33,237.72.
This NSN is unique to one weapons system.
There has been very little 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 Sep 02, 2006, 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) 13206. [A TUBULAR SHAPED UNTHREADED ITEM WITH OR WITHOUT A FLANGE AT ONE END DESIGNED TO BE INSERTED INTO A HOLE TO REDUCE THE INSIDE DIAMETER OF THE HOLE AND TO PROTECT THE SURROUNDING BODY STRUCTURE FROM DAMAGE RESULTING FROM STRESS, STRAIN, AND/OR VIBRATION. THE OVERALL LENGTH MUST EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR THE SHORTEST DISTANCE BETWEEN PERIPHERAL FLATS OF THE BODY. INCLUDES ITEMS WHICH ARE DIVIDED INTO TWO OR MORE SEGMENTS WHICH INCLUDES 180 DEGREES (3.141 RADIANS) OR LESS OF THE BEARING PERIPHERY. FOR ITEMS MADE OF RUBBER, SEE BUSHING, NONMETALLIC. SEE ALSO BEARING, SLEEVE; BUSHING, TAPERED; SPACER, SLEEVE; INSULATOR, BUSHING; AND BUSHING, ELECTRICAL CONDUCTOR. EXCLUDES:BUSHING, DRILL, JIG.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 3120003176310 does not contain precious metals.
This NSN is associated to Schedule B 8482997060: parts, nesoi, for cylindrical 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 Aug 01, 2025.