SAF-T-EZE GP - Aircraft Grade Anti-Seize is compounded from graphite and petrolatum to satisfy the requirements of MIL-T-5544 and SAE AMS2518 for use on threaded joints. This anti-seize is a NATO defined product S-720 for aircraft spark plugs. SAF-T-EZE ZP - Aircraft Grade Anti-Seize is compounded from zinc and petrolatum to meet MIL-T-22361 and A-A-59313 requirements for use on threaded steel parts assembled in aluminum or zinc castings. SAF-T-EZE Aircraft Grades Anti-Seize are also used in other than aircraft precision applications. They do not contain lead, copper or molybdenum disulfide. Certificates of conformance are available for each batch.