The 'AMPSEAL' range from TE Connectivity are a brilliant and rugged connector housing. They boast high reliability under high temperatures and even feature a IP67 rating. AMPSEAL connectors have a 2-piece contact hold design with secondary locking to prevent the contact from getting tore out under harsh conditions. These connectors accept a wire size of 0.5 to 1.25mm² .

• Rugged and highly reliable design
• IP67 rating to protect against the harshest of conditions
• Housed in a strong plastic
• 2-piece contact hold
• Integrated latch for mating
• Operating temperatures of -40°C to +125°C

• Off-road automotive
• Heavy duty industrial use
• Agricultural applications

An IP67 rating means this housing can withstand any dust (fully dust tight, even against sand) and can withhold an immersion in water for up-to 1m. It can also handle powerful water jets.

The TE Connectivity 776164-1 is a 35-way housing for female terminals from the AMPSEAL range of connectors. It is made from a black PBT thermoplastic with silicone rubber seals and is designed to connect wire-to-device. This rugged and reliable connector housing designed to withstand high temperatures in automotive applications.
They 776164-1 is designed for 1.3mm contacts in gold or tin and a list of compatible headers can be found below. The 1.3mm contacts have a current rating of up to 17A for gold and 8A for tin.

Compatible Headers (Tin):
776180-1 (Without Seal, Right Angle)
776163-1 (With Seal, Right Angle) - (718-1462)
776230-1 (Without Seal, Vertical) - (718-1490)
776231-1 (With Seal, Vertical) - (719-9463)
Compatible Headers (Gold):
1-776180-1 (Without Seal, Right Angle) - (726-6890)
1-776163-1 (With Seal, Right Angle) - (718-1474)
1-776230-1 (Without Seal, Vertical) - (168-0645)
1-776231-1 (With Seal, Vertical - (718-1478)

Is it waterproof?
Yes the 776164-1 is environmentally sealed with an industry standard rating of IP6K9K.