MIL-T-6053C (NOTICE 2), MILITARY SPECIFICATION: TESTS, IMPACT, SHOCK ABSORBER, LANDING GEAR, AIRCRAFT (12 DEC 1997)., This notice should be filed in front of MIL-T-6053C, dated 20 July 1977.MIL-T-6053C is inactive for new design and is no longer used, except for replacement purposes.