Barrel Plugs | McMaster-Carr

	Connection Type Connection Type


Barrel	Pipe

Straight Blade	USB

	Voltage Voltage

	System of Measurement System of Measurement

Metric

Inch

	End ID End ID

	Type Type


Plug	Socket

Receptacle	Adapter

	Gender Gender

Male

Female

	Current Current

	End OD End OD

3.5 mm

5.5 mm

	Color Color

	Black		White
	Red		Gray
	Semi- Clear		Clear
	Blue		Brown
	Green		Off-White
	Orange		Pink
	Purple		Yellow

	Material Material

	Wire Connection Type Wire Connection Type

	Wire Leads
	Solder
	Screw-Clamp Terminals

	For Plug End ID For Plug End ID

	Length Length

	Maximum Temperature Maximum Temperature

	Plug Type Plug Type


Push In	Expandable

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	End Shape End Shape


Straight	90° Elbow

	Pipe Size Pipe Size

3/4

	End Type End Type

Plug

Socket

	Drum Plug Type Drum Plug Type

Standard

Pressure Relief

Vacuum Relief

	Polarity Polarity

	Negative
	Positive

	For Plug End OD For Plug End OD

3.5 mm

5.5 mm

	Housing Connection Type Housing Connection Type

Push In

Screw Together

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516 Products

Electrical Wiring and Connecting

Barrel-Style DC Connectors

Made with industry standard barrel-style ends, these connectors carry DC power between electronic devices and power supplies.

Barrel-Style DC Power Cords

Carry DC power in or out of electronic devices with these cords. All have industry standard barrel-style connections, letting you power electronics from power supplies.

Barrel-Style DC Power Cord Splitters

Send DC power to multiple electronics from one source. With industry standard barrel-style connections, these splitters are compatible with many power supplies and other devices.

AC to DC Adapter Cords

Plug these adapter cords into a standard outlet and they change AC voltage to DC voltage, so you can power many electronic devices.

Drums

Drum Plugs

Install these plugs into drum holes using a drum-plug wrench.

Drum Plug Gaskets

Add a gasket or replace one that's worn out to ensure a tight seal.

Locking Fill Caps for Drums

Prevent tampering with the contents of your drum while allowing access for filling.

Drum Locks

Secure 30- and 55-gallon steel drums.

Tapered Plugs

Chemical-Resistant Tapered Plugs

These plugs have excellent chemical resistance for masking parts during chemical finishing applications such as plating and anodizing. Their tapered design fits a range of hole diameters.

Food Industry Tapered Plugs

Made of FDA listed materials, these plugs are suitable for food contact. They're tapered to fit a range of hole diameters.

Expandable Tapered Plugs

Place a plug into an opening and tighten the wing nut—the sides expand to create a seal in holes of varying diameters.

Miniature Tapered Plugs

Sized to fit small openings, these tiny plugs fit snugly but can be removed easily using the flange. Their tapered design fits a range of hole diameters.

Corks

Lightweight and moisture resistant, these plugs are laboratory-grade 100% natural cork. They’re tapered to fit a range of hole diameters.

Tapered Plugs

Often used as laboratory stoppers, these rubber plugs have good impact and abrasion resistance. They’re tapered to fit a range of hole diameters.

Pull-Ring Tapered Plugs

Pull the two built-in rings to quickly remove these plugs. All are tapered to fit a range of hole diameters.

High-Temperature Tapered Plugs

Good for electroplating, paint baking, and powder-coating applications, these plugs withstand temperatures up to 570° F. All are tapered to fit a range of hole diameters.

Miniature High-Temperature Tapered Plugs

Sized to fit small openings, these tiny plugs fit snugly but can be removed easily using the flange. They withstand temperatures up to 470° F, which makes them good for electroplating, paint baking, and powder-coating applications. All are tapered to fit a range of hole diameters.

Expandable High-Temperature Tapered Plugs

Place a plug into an opening and tighten the wing nut—the sides expand to create a seal in holes of varying diameters. Good for paint baking and powder-coating applications, these plugs withstand temperatures up to 450° F.