MIL-W-21985, MILITARY SPECIFICATION: WHEEL - CUSHION TREAD (SEMI-PNEUMATIC) FOR MOBILE GROUND SUPPORT EQUIPMENT (13 MAR 1959) [S/S BY SAE-AS21985]

MIL-W-21985, MILITARY SPECIFICATION: WHEEL - CUSHION TREAD (SEMI-PNEUMATIC) FOR MOBILE GROUND SUPPORT EQUIPMENT (13 MAR 1959) [S/S BY SAE-AS21985]., This specification covers one type of cushion tread (semi-pneumatic) wheels for use on mobile ground support equipment.