ZZ-R-768B, FEDERAL SPECIFICATION: RUBBER FOR MOUNTINGS (UNBONDED-SPOOL AND COMPRESSION TYPES) (15 JUN 2009)
ZZ-R-768B, FEDERAL SPECIFICATION: RUBBER FOR MOUNTINGS (UNBONDED-SPOOL AND COMPRESSION TYPES) (15 JUN 2009)., This specification covers uncured rubber compound or finished (cured) resilient components to be used in unbonded-spool and compression typed mountings, as specified.