MIL-R-83397A, MILITARY SPECIFICATION: RUBBER, POLYURETHANE, CASTABLE, HUMIDITY RESISTANT (02-JAN-1979) [S/S BY MIL-DTL-83397B]

MIL-R-83397A, MILITARY SPECIFICATION: RUBBER, POLYURETHANE, CASTABLE, HUMIDITY RESISTANT (02-JAN-1979) [S/S BY MIL-DTL-83397B]., This specification covers parts made from castable, general purpose, polyurethane rubber.