The MS27467T23B55HC-LC from Deutsch is MIL-DTL-38999 Series I straight plug with 55 contacts. MIL-DTL-38999 Series I connectors are available in a wide range of shell materials and finishes with 48, 500 and 1000 hour salt spray plating exposure. These connectors offer high density contact arrangements in a miniature circular shell and combines high coupling durability. It has an improved sealing around each contact to prevent electrolytic erosion. These connectors are available in 9 shell size from 9 to 25 and are designed to withstand extreme shock, exposure and vibration.
High reliability, moisture and corrosion resistant
Outstanding EMI, RFI shielding protection (100MHz to 10GHz at attenuation of 50dB)
500 mating cycles, IP67 environmental protection
Operates at extreme temperature range of -65°C to +200°C
Minimum insulation resistance is 5000Mohm
Scoop proof to eliminate the possibility of contact damage
Quick mating, three-point bayonet coupling and 5 key/keyway mating