National Item Identification Number
National Stock Number
Federal Supply Class
An item made from rubber in various shapes, flanged on each end, and having a centrally located hole of the same size as the piping with which used. It is designed to be inserted between sections of pipe or pipe and casing of fans, pumps, or the like, to absorb shock, dampen vibration and to facilitate removal of section(s) for repair or other purposes.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
21.250 INCHES NOMINAL
0.200 INCHES NOMINAL