M40 Cable Glands | McMaster-Carr

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	System of Measurement System of Measurement

Metric

	For Minimum Cord OD For Minimum Cord OD

	Thread Size Thread Size	Show

M40

	Thread Size Thread Size	Hide

	Thread Type Thread Type

Metric

	Material Material

Plastic

Brass

	For Knockout Trade Size For Knockout Trade Size

M40

	Cord Holding Type Cord Holding Type


Bushing	Break-Through Seal

Screw-Down Clamp

	Knockout Connection Type Knockout Connection Type

	Threaded

	Shape Shape

	Straight

	Minimum Temperature Minimum Temperature

	Mounting Location Mounting Location

	Knockout

	Color Color

	Black
	Gray

	Environment Environment

Corrosive

Damp

Dusty

High-
Pressure
Washdown

	Environmental Rating Environmental Rating

	Specifications Met Specifications Met

	For Cord Shape For Cord Shape

Round

	For Cord OD Range For Cord OD Range

	Maximum Temperature Maximum Temperature

Less than 200° F

200° to 224° F

	Flexibility Flexibility

	Rigid

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

DFARS Specialty Metals
COTS-Exempt

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	Bushing Material Bushing Material

Rubber

Plastic

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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8 Products

Plastic Submersible Cord Grips

Able to resist most chemicals and withstand use underwater, these nylon grips are rated IP68 for protection from dusty environments and prolonged submersion. A rubber bushing and O-ring create a tight seal to prevent liquid from entering the connection. All are CE marked and TUV Rheinland certified, which means they meet European safety standards. Grips with UL certifications meet American safety standards, while those with C-UL and CSA certifications meet Canadian safety standards. Some also meet standards for marine vessels classed by DNV-GL.

Grips with metric threads meet IP69 for protection from high-pressure washdowns.

For technical drawings and 3-D models, click on a part number.

							Each
For Cord OD	For Knockout Trade Size	Temp. Range, °F	Features	Environmental Rating	Specifications Met		1-9	10-Up
Metric Threads
0.35"-0.9"	M40	0° to 175°	Nylon Plastic Locknut, Rubber O-Ring	NEMA 6, NEMA 12, IP66, IP68, IP69	UL Listed, C-UL Listed, CE Marked, DNV-GL Type Approved, TUV Rheinland Certified, VDE Certified	0000000	000000	000000
0.63"-1.1"	M40	0° to 175°	Nylon Plastic Locknut, Rubber O-Ring	NEMA 6, NEMA 12, IP66, IP68, IP69	UL Listed, C-UL Listed, CE Marked, DNV-GL Type Approved, TUV Rheinland Certified, VDE Certified	0000000	00000	00000

Wraparound Plastic Submersible Cord Grips

Wrap the split gland of these grips around ethernet cables with an RJ45 connector or other already installed cables for a water-resistant seal with your enclosure. They’re rated IP68 and NEMA 6P, so they withstand use under water and protect electronics inside enclosures from moisture and harsh chemicals. All are made of nylon, making them corrosion and wear resistant. They relieve the strain on a cable when its pulled, extending the life of the cable.

When choosing a size, keep in mind that the sealing nut ID and body ID must be large enough for the end of your cord to fit through with the connector.

For technical drawings and 3-D models, click on a part number.

Metric Threads
For Cord OD	For Knockout Trade Size	Sealing Nut ID	Body ID	Temperature Range, °F	Features	Environmental Rating	Specifications Met		Each
0.25"-0.33"	M40	1.27"	1.25"	0° to 210°	Nylon Plastic Locknut, Split Gland	IP68, NEMA 6P	UL Recognized Component, C-UL Recognized Component, UL 94 V-2	00000000	000000

Screw-Down Sure-Grip Plastic Submersible Cord Grips

Tighten the screw-down clamp on these grips for superior pull-out resistance while relieving tension at connection points. Grips are rated IP68 for protection from prolonged submersion and IP69K for protection against high-pressure, high-temperature jets of water. A rubber bushing and O-ring create a tight seal to prevent liquid from entering the connection.

For technical drawings and 3-D models, click on a part number.

Metric Threads
For Cord OD	For Knockout Trade Size	Material	Temp. Range, °F	Features	Environmental Rating	Specifications Met		Each
0.87"-1.26"	M40	Black Nylon Plastic	0° to 155°	Rubber O-Ring, Nylon Plastic Locknut	IP68, IP69K, NEMA 4X, NEMA 6	UL 94 V-0, CE Marked, DNV-GL Type Approved	0000000	000000

Low-Temperature Brass Submersible Cord Grips

Keep cords from coming loose and seal water out of enclosures in extremely cold labs and storage areas. Thanks to their plastic bushing and rubber O-ring, these grips withstand temperatures as low as -75° F. They’re NEMA and IP rated, so you can safely submerse them under water, though only for short periods of time. They also stand up to dust, weather, washdowns, and oil. Nickel plated, they resist corrosion. All of these grips relieve strain on your cord if it’s pulled, prolonging its life.

For technical drawings and 3-D models, click on a part number.

Metric Threads
For Cord OD	For Knockout Trade Size	Temperature Range, °F	Features	Environmental Rating	Specifications Met		Each
0.59"-0.9"	M40	-75° to 210°	Nickel-Plated Brass Locknut, Rubber O-Ring	NEMA 4X, NEMA 6, NEMA 12, IP68	CE Marked, UL Recognized Component, VDE Certified	0000000	000000
0.75"-1.1"	M40	-75° to 210°	Nickel-Plated Brass Locknut, Rubber O-Ring	NEMA 4X, NEMA 6, NEMA 12, IP68	UL Listed, CE Marked, VDE Certified	0000000	00000

Wraparound Multi-Cord Grips

Attach a cord grip to cable without removing connectors and rewiring. These cord grips have a two-piece design to fit around cables with connectors. Choose a housing and then select inserts (sold separately). Inserts have a slit, eliminating the need to thread cable through them.

For technical drawings and 3-D models, click on a part number.

Knockout-Mount Housings

Knockout-Mount Housing

Knockout-Mount Housing Shown Open

1 Small Insert

		For Insert
For No. of Inserts	For Knockout Trade Size	Ht.	Wd.	Size	Thread Type	For Max. Panel Thick.	Temp. Range, °F	Features	Environmental Rating	Specifications Met		Each
Gray Polycarbonate Plastic
1	M40	0.83"	0.83"	Small	Metric	0.31"	-20° to 190°	Nylon Plastic Locknut, Rubber Gasket	NEMA 12, IP54	UL Recognized Component, UL 94 V-0, C-UL Recognized Component, DNV-GL Type Approved	00000000	000000

Low-Profile Submersible Break-Through Multi-Cord Grips

The face of these grips is flush with the cable-entry point for a seamless appearance. They have a thin, flexible seal that covers the holes until you push a cord through. Grips are rated IP66, IP68, NEMA 4X, and NEMA 12 for protection from continuous submersion, washdowns and oil/coolant splashing.

For technical drawings and 3-D models, click on a part number.

For 8 Cords
Shape	For Cord OD (No. of Cords)	For Knockout Trade Size	Thread Type	For Max. Panel Thick.	Material	Temp. Range, °F	Features	Environmental Rating	Specifications Met		Each
Straight	0.13"-0.25" (4), 0.2"-0.4" (4)	M40	Metric	0.32"	Gray Nylon Plastic	-40° to 190°	Nylon Plastic Locknut	NEMA 4X, NEMA 12, IP66, IP68	UL Recognized Component, UL 94 V-0, C-UL Recognized Component, DNV-GL Type Approved	0000000	000000