
Mechanical time nose fuze M155A1 is similar in operation to mechanical time fuze AN-M146A1. It is a "detonator in line" type fuze and, therefore, is not considered detonator safe. Because it may function when dropped unarmed, this fuze is not to be used in bombs carried by carrier based aircraft, and is not to be installed before bombs or clusters are placed on aircraft. Fuze M155A1 has been reworked to provide low temperature operation, and has direct mechanical arming instead of reduction gearing.
No information about functioning.
M26 percussion primer, black powder charge (120 grains).
Nose, MT, M111, M111A1, M111A2
TM 9-1385-51, Ammunition (Conventional) for Explosive Ordnance Disposal (1967)
TM 9-1325-200, Bombs and Bomb Components (1966)
OP 2216, Volume 1 - Aircraft Bombs, Fuzes, and Associated Components (1960)
OP 1664, Volume 2 - US Explosive Ordnance (1947)
USNBD - Bombs and Fuzes, Pyrotechnics (1945)