The D38999/26FC35PN from Deutsch is MIL-DTL-38999 Series III straight plug with 22 contacts. MIL-DTL-38999 Series III connectors are available in wide range of shell materials and finishes with 48, 500, 1000 and 2000 hour salt spray plating exposure. These connectors offer high density contact arrangements in a miniature circular shell and combines high coupling durability. It is designed to withstand the extreme shock, exposure and vibration.

• High reliability, moisture and corrosion resistant
• Outstanding EMI, RFI shielding protection
• 500 mating cycles, high durability versions are available with 1500 mating cycles
• Operates at extreme temperature range of -65°C to +200°C
• Minimum insulation resistance is 5000Mohm (under 500VDC)
• Scoop proof to eliminate the possibility of contact damage
• IP67 environmental protection
• Self locking connector system, triple start threaded coupling
• Aluminium alloy body material with electroless nickel plating
• Copper alloy crimp pin contacts with gold plating

The CA3106E22-22SB15F97 from ITT Cannon is CA-B series, MIL-DTL-5015 series equivalent straight plug with 4 contacts. CA-B series connectors are available in wide range of connector styles and sizes. The design meets MIL-DTL-5015 standards. It provides superior performance in extreme environmental conditions and offers exceptional sealing’s against the ingress of fluids and will withstand the effects of high vibration. It provides high mechanical robustness with high density contact arrangements in a miniature circular shell and combines high coupling durability. It is the most versatile connector for an accurate connects and disconnect in environmentally challenging situations.

• Rapid mating and unmating by a positive quarter turn bayonet locking mechanism
• Quick-mating 3-point reverse bayonet coupling, shock and vibration proof
• 500 mating cycles, IP67/68/69k environmental resistance
• Operating temperature range of -55°C to +125°C
• Insulation resistance is > 1000Mohm
• Resilient polychloroprene (neoprene) insulator
• Moisture and corrosion resistant
• Operating voltage is 50VAC
• Aluminium alloy body material with olive drab chromate over cadmium plating
• Copper alloy crimp socket contacts with silver plating

The 2M801-007-16M16-55PA from Amphenol is 2M series, MIL-DTL-38999 series equivalent straight plug with 55 contacts. The 2M series micro-miniature circular connectors can withstand harsh environment conditions. These quick mating connectors have well-proven electrical capability to withstand extreme shock, exposure and vibration. They are designed for interconnect applications requiring high performance and reduced size and weight. These smaller, high density, light weight connectors far exceed the competition in quality and performance levels. The 2M series are superior and versatile connectors designed and tested to mil-spec standards, comparable to MIL-DTL-38999.

• More rugged keys and threads for faster mating, superior anti decoupling
• Polyphenylene sulphide (PPS) insert and fluorosilicone rubber grommet, seal
• Insulation resistance is 5000Mohm
• 2000 mating cycles for unmated connectors
• Dual-start ACME thread coupling system
• Operating temperature range from -65°C to +150°C
• Salt spray exposure of 48hour
• Aluminium alloy body material with electroless nickel plating
• Copper alloy crimp pin contacts with gold plating