TM 55-1930-209-14&P-15 d.   Interior door Manufacturer CornelI-Carr Co., Inc. CAGEC 21204 Model no. CC2001A Type Interior, right-handed, regular bevel Clear opening 25 in. x 76 in. 1 3/8-in. thick Material Steel Quantity 1 e.   Interior acoustic door Manufacturer Eckel Industries, Inc., Eckoustic Division CAGEC 15594 Type Interior, right-handed, acoustic Clear opening 26 1/2 in. x 73 1/2 in. 2-in. thick Quantity 2 f. Porthole (air port) Manufacturer BFG Marine Manufacturing and Supply Co., Inc., New York, NY Model no. PL-116 Size 18 in. diameter Dogbolts 4 Material Bronze w/aluminum cover Quantity 3 g.   Void accesses (hatch) Manufacturer Julius Mock and Sons, Inc. CAGEC 6U135 Part no. 414-E-S Type Watertight, flush, quick acting Clear opening 24 in. x 24 in. Material Steel Quantity 5 h.   Right-hand void door Manufacturer Kearfott Engineering Co., Inc. CAGEC 75238 Part no. KS-30004/RH Type Watertight, quick acting Clear opening 24 in. x 48 in. Location Voids 2P to 3P Material Steel Quantity 1 i. Left hand void door Manufacturer Kearfott Engineering Co., Inc. CAGEC 75238 Part no. KS-3004/LH Type Watertight, quick acting Clear opening 24 in. x 48 in. Location Voids 2S to 3S, 3S to 3P, 3P to 4P, 4P to 4S, 4S to 5 Material Steel Quantity 5 4-4