MIL-F-13455C, MILITARY SPECIFICATION: FILTER, LIGHT (FOR BLACKOUT SECURE) (17 FEB 1988) [S/S BY MIL-DTL-13455E]

MIL-F-13455C, MILITARY SPECIFICATION: FILTER, LIGHT (FOR BLACKOUT SECURE) (17 FEB 1988) [S/S BY MIL-DTL-13455E]., This specification covers one type of non-fluorescent, optical isotropic blue light filter for use in military vehicle interiors (see 6.1).