National Stock Number
3110-00-555-6689
National Stock Number (NSN) 3110-00-555-6689, or NIIN 005556689, (bearing,ball,linear motion) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 1270007579974, 1680006580033.
There are 7 manufacturer part numbers associated with this NSN. One 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 somewhat common among different platforms, belonging to 10 different weapons systems.
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 Dec 17, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61484. [A CYLINDRICAL DEVICE, CONTAINING THREE OR MORE OBLONG BALL CIRCUITS COMPLETE WITH A RETAINER TO GUIDE THE BALLS IN THEIR PROPER PATH, SPECIFICALLY DESIGNED FOR USE ON SLIDING LINEAR MOTION SHAFTS TO MINIMIZE FRICTION AND WEAR.]. 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 3110005556689 does not contain precious metals.
This NSN is associated to Schedule B 8482105012: linear ball 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 Aug 01, 2025.