MS3120E22-21S – CONNECTOR

Description

MS3120E22-21S – CONNECTOR

Specifications

Body Style: Straight Shape, External Coupling
Protection: Moisture Proof And Salt Water Resistant And Vibration Proof And Thermal Shock Resistant And Corrosion Resistant
Terminal Type: Crimp Single Mating End Single Contact Grouping
Contact Surface: Gold Single Mating End Single Contact Grouping And Nickel Single Mating End Single Contact Grouping
Precious Material: Gold
Shell Material: Aluminum Alloy
Shell Surface Treatment: Cadmium And Chromate
Overall Height: 1.578″ Max
Overall Length: 1.709″ Max
Overall Width: 1.578″ Max
Center To Center Distance Between Mounting Facilities Parallel To Height: 1.250″ Nom
Contact Arrangement Style: 22-21 Single Mating End
Contact Quantity: 21 Single Mating End Single Contact Grouping
Contact Type: Round Socket Single Mating End Single Contact Grouping
Locking Method: Bayonet Pin
Mating End Quantity: 1
Max Ac Voltage: 600.0 Single Mating End Single Contact Grouping
Polarization Method: Keyway Or Multiple Keyway
Shell Type: Solid
Shoulder To Front Face Distance: 0.556″ Min – 0.587″ Max
Unthreaded Mounting Hole Diameter: 0.115″ Min – 0.125″ Max
Contact Removal: Removable Single Mating End Single Contact Grouping
Precious Material Location: Contact Surfaces Gold
Precious Material Weight: 0.021 Gold Grains, Troy
Terminal Location: Back Single Mating End Single Contact Grouping

Part Number: MS3120E22-21S
Unpunctuated: MS3120E2221S

The specifications above are for reference only. Verify tolerances and details in the official spec sheets before use.

AVBOX US Certificate of Conformance: This product comes with an AVBOX US Certificate of Conformance (CoC), assuring that the part(s) meet specified design, quality, and regulatory standards at the time of manufacture, providing confirmation of compliance and adherence to applicable aviation requirements.

Part Numbers, Alternates & Reference Info: We ship the exact part number shown in the product title/description when in stock. Any NSNs or alternate part numbers listed are for traceability/reference only. If a compatible alternate is the only option available, we will contact you before shipping to confirm acceptance. Specifications are compiled from multiple sources and provided for convenience; always verify fit, tolerances, and requirements in the official spec sheets and applicable repair manuals/IPCs before purchase. If specific documentation (e.g., 8130 or company CoC/trace) is required, please contact us before ordering. We do not provide usage/support guidance, please refer to the manuals. Ordering the wrong part can extend lead times and result in aircraft downtime.