National Stock Number
5310-00-507-0268
National Stock Number (NSN) 5310-00-507-0268, or NIIN 005070268, (washer,shouldered and recessed) has an unknown assigned date. NIIN 005070268 was cancelled on September 23, 1999, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 1610000764234.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 15935. [A WASHER, ROUND IN SHAPE, HAVING A CENTRALLY LOCATED HOLE. ONE BEARING SURFACE IS FLAT, THE OTHER SURFACE IS IN THE FORM OF A RAISED SHOULDER (BOSS) HAVING A FLAT BEARING SURFACE. EITHER OR BOTH OF THE BEARING SURFACES MUST BE BROKEN BY A COUNTERBORE, COUNTERSINK, OR SIMILAR SHAPED RECESS. THE THICKNESS OF THE SHOULDER (BOSS) MUST NOT EXCEED 25 PERCENT OF THE SHOULDER (BOSS) DIAMETER. FOR ITEMS HAVING A SHOULDER (BOSS) OF GREATER THICKNESS, USE BEARING, SLEEVE; BUSHING, SLEEVE; OR SPACER, SLEEVE. EXCLUDES:INSULATOR, WASHER AND THRUST TYPE WASHERS.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5310005070268 does not contain precious metals.
This information was last updated on Aug 01, 2025.