38.86mm overall length 43.64mm overall width time delay relay seal:hermetic, mil-std-883, method: 1014 condition b, c; weight:1.9 ounce; operating current:150.0 ma max at P25.0c, control current:15 ma max at P25.0c
Used on relay for french naval air force. m series type delay on make some specs are fixed control method, surface mounting, time delay is 180 seconds with a plus/minus 10 percent