Section 1 - Tool Sets (Special) Motor Vehicles ORD 6 SNL G-27 Railway track maintenance : repairs and utilities - USA Voorschrift, Technical Manual, 5-627 department of the army technical manual Semitrailer, low bed: 15-ton, 4-wheel M172 (2330-735-9326) ; Semitrailer, low bed: 25-ton, 4-wheel M172A1 (2330-317-6448) department of the army technical manual Semitrailer, low bed: 15-ton, 4-wheel M172 (2330-735-9326) ; Semitrailer, low bed: 25-ton, 4-wheel M172A1 (2330-317-6448) technical manual tm (series) Flash ranging set AN/GTC-1 tm Ordnance maintenance : telescope mounts M23, M28, M31, M32, M42, M46, M52C, M52D, M54 and M71, 1954 - Technical Manual TM 9-6101