MIL-I-81219B, MILITARY SPECIFICATION: INDICATOR, ELAPSED TIME, ELECTROCHEMICAL (07 OCT 1987) [S/S BY MIL-DTL-81219C]

MIL-I-81219B, MILITARY SPECIFICATION: INDICATOR, ELAPSED TIME, ELECTROCHEMICAL (07 OCT 1987) [S/S BY MIL-DTL-81219C]., This specification covers the design and performance requirements for lightweight, small and low resolution electrochemical elapsed time indicators.