McMaster-Carr logo
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    37 Products

    Mil. Spec. Screw-Together Electrical Connector Caps

    Image of Product. Front orientation. Electrical Connector Caps. Mil. Spec. Screw-Together Electrical Connector Caps, External Thread.

    External Thread

    Image of Product. Front orientation. Electrical Connector Caps. Mil. Spec. Screw-Together Electrical Connector Caps, Internal Thread.

    Internal Thread

    Protect Mil. Spec. connectors when not in use.
    Thread
    Size
    Type
    Material
    Temp. Range,
    ° F
    Each
    External Thread
    5/8"-24
    		UNEF
    		Cadmium-Plated Aluminum-65 to 2550000000000000
    7/8"-20
    		UNEF
    		Cadmium-Plated Aluminum-65 to 255000000000000
    1"-20
    		UNEF
    		Cadmium-Plated Aluminum-65 to 255000000000000
    1 1/8"-18
    		UNEF
    		Cadmium-Plated Aluminum-65 to 255000000000000
    1 1/4"-18
    		UNEF
    		Cadmium-Plated Aluminum-65 to 255000000000000
    1 3/4"-18
    		UNS
    		Cadmium-Plated Aluminum-65 to 255000000000000
     
    Internal Thread
    5/8"-24
    		UNEF
    		Cadmium-Plated Aluminum-65 to 255000000000000
    7/8"-20
    		UNEF
    		Cadmium-Plated Aluminum-65 to 255000000000000
    1"-20
    		UNEF
    		Cadmium-Plated Aluminum-65 to 255000000000000
    1 1/8"-18
    		UNEF
    		Cadmium-Plated Aluminum-65 to 255000000000000
    1 1/4"-18
    		UNEF
    		Cadmium-Plated Aluminum-65 to 255000000000000
    1 3/4"-18
    		UNS
    		Cadmium-Plated Aluminum-65 to 255000000000000
     

    Micro M12 Screw-Together Electrical Connector Caps

    Image of Product. Front orientation. Electrical Connector Caps. Micro M12 Screw-Together Electrical Connector Caps, For Plugs.
    Image of Product. Front orientation. Electrical Connector Caps. Micro M12 Screw-Together Electrical Connector Caps, For Sockets.

    For Plugs

    For Sockets

    Protect M12 connectors when not in use.
    Thread
    Size
    Type
    Location
    Material
    Includes
    Color
    Temp. Range,
    ° F
    Each
    For Plugs
    M12 × 1 mmMetric
    		InternalAnodized AluminumLanyardBlack0 to 2200000000000000
    1/2"-20
    		UNF
    		InternalAnodized AluminumLanyard—0 to 220000000000000
     
    For Sockets
    M12 × 1 mmMetric
    		ExternalAnodized Aluminum—Black0 to 220000000000000
    1/2"-20
    		UNF
    		ExternalAnodized Aluminum—Gray0 to 220000000000000
     

    Harsh-Environment Micro M12 Screw-Together Electrical Connector Caps

    Image of Product. For Plugs. Front orientation. Electrical Connector Caps. Harsh-Environment Micro M12 Screw-Together Electrical Connector Caps, For Plugs.
    Image of Product. For Sockets. Front orientation. Electrical Connector Caps. Harsh-Environment Micro M12 Screw-Together Electrical Connector Caps, For Sockets.

    For Plugs

    For Sockets

    Protect harsh environment M12 connectors when not in use. These caps are stainless steel for excellent corrosion resistance.
    Thread
    Size
    Type
    Location
    Material
    Includes
    Environment
    Temp. Range,
    ° F
    Each
    For Plugs
    M12 × 1 mmMetric
    		InternalStainless SteelLanyardHarsh0 to 2200000000000000
    1/2"-20
    		UNF
    		InternalStainless SteelLanyardHarsh0 to 220000000000000
     
    For Sockets
    M12 × 1 mmMetric
    		ExternalStainless SteelLanyardHarsh0 to 220000000000000
    1/2"-20
    		UNF
    		ExternalStainless SteelLanyardHarsh0 to 220000000000000
     

    Mini Electrical Connector Caps

    Image of Product. External Thread. Front orientation. Electrical Connector Caps. Mini Electrical Connector Caps, External Thread.
    Image of Product. External Thread with Lanyard. Front orientation. Electrical Connector Caps. Mini Electrical Connector Caps, External Thread, Lanyard.
    Image of Product. Internal Thread with Lanyard. Front orientation. Electrical Connector Caps. Mini Electrical Connector Caps, Internal Thread.
    Image of Product. Front orientation. Electrical Connector Caps. Mini Electrical Connector Caps, Internal Thread.

    External

    Thread

    External Thread

    with Lanyard

    Internal

    Thread with

    Lanyard

    Internal

    Thread

    Protect mini connectors when not in use.
    Thread
    For Face
    Dia.
    Size
    Type
    Material
    Color
    Temp. Range,
    ° F
    Includes
    Each
    External Thread
    0.55"7/8"-16
    		UNS
    		Epoxy-Coated ZincBlack0 to 220Lanyard00000000000000
    0.8"1 1/8"-16
    		UNS
    		Epoxy-Coated ZincBlack0 to 220Lanyard0000000000000
     
    Internal Thread
    0.55"7/8"-16
    		UNS
    		Anodized Aluminum—0 to 220Lanyard0000000000000
    0.7"1"-16
    		UNS
    		Anodized Aluminum—0 to 220Lanyard0000000000000
    0.8"1 1/8"-16
    		UNS
    		Anodized Aluminum—0 to 220Lanyard0000000000000
     

    Thread Adapters for Harsh-Environment Mini Connectors

    Image of Product. Front orientation. Electrical Connector Thread Adapters. Thread Adapters for Harsh-Environment Mini Connectors.
    Join two connectors that both have internal threads.
    Thread
    Size
    Type
    Material
    Temp. Range,
    ° F
    Each
    External Thread
    7/8"-16
    		UNS
    		Stainless Steel
    		-55 to 3900000000000000
    1"-16
    		UNS
    		Stainless Steel
    		-55 to 3900000000000000
    1 1/8"-16
    		UNS
    		Stainless Steel
    		-55 to 3900000000000000
     

    Thread Adapters for Mini Connectors

    Image of Product. Front orientation. Electrical Connector Thread Adapters. Thread Adapters for Mini Connectors.
    Join two connectors that both have internal threads.
    Thread
    Size
    Type
    Material
    Temp. Range,
    ° F
    Each
    External Thread
    7/8"-16
    		UNS
    		Aluminum
    		-4 to 1900000000000000
    1"-16
    		UNS
    		Aluminum
    		-4 to 190000000000000
    1 1/8"-16
    		UNS
    		Aluminum
    		-4 to 190000000000000
     

    Harsh-Environment Mini Electrical Connector Caps

    Image of Product. External Thread with Lanyard. Front orientation. Electrical Connector Caps. Harsh-Environment Mini Electrical Connector Caps, External Thread.
    Image of Product. Internal Thread with Lanyard. Front orientation. Electrical Connector Caps. Harsh-Environment Mini Electrical Connector Caps, Internal Thread.

    External Thread

    with Lanyard

    Internal

    Thread with

    Lanyard

    Protect mini connectors when not in use. These caps are stainless steel for excellent corrosion resistance.
    Thread
    For Face
    Dia.
    Size
    Type
    Material
    Temp. Range,
    ° F
    Each
    External Thread
    0.55"7/8"-16
    		UNS
    		Stainless Steel0 to 22000000000000000
    0.7"1"-16
    		UNS
    		Stainless Steel0 to 2200000000000000
    0.8"1 1/8"-16
    		UNS
    		Stainless Steel0 to 2200000000000000
     
    Internal Thread
    0.55"7/8"-16
    		UNS
    		Stainless Steel0 to 2200000000000000
    0.7"1"-16
    		UNS
    		Stainless Steel0 to 2200000000000000
    0.8"1 1/8"-16
    		UNS
    		Stainless Steel0 to 2200000000000000
     
    back to top