National Item Identification Number
National Stock Number
Federal Supply Class
A rigid metal item usually fabricated from steel castings and/or welded steel pieces and designed with one or more hole(s) in line to accompany and hold, align, or support a nonrotating mechanical shaft. It has mounting holes for fastening to a supporting member or main body. It may have provision to accommodate a pin or threaded fastener to hold the shaft in a fixed position.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
BOLT HOLE QUANTITY
III END ITEM IDENTIFICATION