MIL-C-81986 (AMENDMENT 1), MILITARY SPECIFICATION: CORE MATERIAL, PLASTIC HONEYCOMB, NYLON PAPER BASE; FOR AIRCRAFT STRUCTURAL APPLICATIONS (15-DEC-1975) [S/S BY SAE-AMS-C-81986]
MIL-C-81986 (AMENDMENT 1), MILITARY SPECIFICATION: CORE MATERIAL, PLASTIC HONEYCOMB, NYLON PAPER BASE; FOR AIRCRAFT STRUCTURAL APPLICATIONS (15-DEC-1975) [S/S BY SAE-AMS-C-81986].