National Stock Number
3110-01-399-3997
National Stock Number (NSN) 3110-01-399-3997, or NIIN 013993997, (bearing,roller,cylindrical) was assigned November 23, 1994 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 3110009381974, 3110009228758.
There are 9 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 5 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 several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Aug 30, 2011. There have been 2 contracts issued for this part number, with 7 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM4A510D0002, SPM4A510D0002, SPM4A510D0002, SPM4A510D0002, SPM4A510D0002. The total value of the awarded contracts has been US$ 694,445.88.
There has been a small amount of demand for this national stock number. Globally, demand for this NSN has originated from 7 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Oct 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 00015. [A NONADJUSTABLE ROLLER BEARING CONSISTING OF A SINGLE OR MULTIPLE-ROW OF HARDENED CYLINDRICAL ROLLERS AND A RETAINER USED WITH OR WITHOUT INNER OR OUTE R RINGS. EXCLUDES:BEARING,ROLLER,AIRFRAME.]. 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 3110013993997 contains silver.
This NSN is associated to Schedule B 8482500000: other cylindrical roller bearings. 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.