National Stock Number
3040-99-020-7890
National Stock Number (NSN) 3040-99-020-7890, or NIIN 990207890, (collar,retaining) has an unknown assigned date. 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, there are no suppliers that 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 assigned to Item Name Code (INC) 42749. [INC 42749 CANCELLED/REPLACED BY ,INC 13743, FIIG A231A0, APP-KEY B , ON 091997 AN ITEM DESIGNED TO BE MOUNTED AROUND A CAM, BEARING, AND/OR SHAFT TO LIMIT MOVEMENT OF ALL ATTACHING ITEMS. IT IS SECURED DIRECTLY TO TO THE CAM BY USE OF A SETSCREW(S), PIN(S), OR THE LIKE, WHICH MAY BE PART OF THE ITEM OF SUPPLY. A PILOT HOLE DRILLED IN OR THROUGH THE WALL(S) FOR DRILLING AND PINNING AT APPLICATION MAY BE CONSIDERED A METHOD OF SECURING. SOLID ITEMS HAVING A BEARING SURFACE ON ONE OR BOTH END(S) PERPENDICULAR TO THE AXIS. FOR ITEMS DESIGNED TO BE MOUNTED AROUND THE EXTENDED HUB PORTION OF A MOUNTED ITEM ON A SHAFT OR CLAMP AROUND A SHAFT, SEE CLAMP HUB. SEE ALSO BEARING, SLEEVE; BUSHING, SLEEVE; SPACER, SLEEVE; AND COUPLING, SHAFT, RIGID. EXCLUDES:COLLAR, SHAFT.].
This information was last updated on Jun 20, 2025.