Plug Caps | McMaster-Carr

	Material Material

Stainless
Steel

	Type Type

Plug and Socket Set

Reducing Adapter

	For Shape For Shape


Round	Square

Rectangle	Hex

Angle	Corner

DIN Rail

	Pipe Size Pipe Size

1/16
1/8
1/4
3/8
1/2
5/8
3/4
1
1 1/4
1 1/2
2
2 1/2
3
3 1/2
4
5
6
8
10
12

	Thread Type Thread Type

Chicago Fire
Department

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

	System of Measurement System of Measurement

	For ID For ID

1 3/64"-1 11/64"

1 1/16"-1 3/16"

1 1/16"-1 21/64"

1 5/64"-1 13/64"

1 5/64"-1 7/32"

1 5/64"-1 21/64"

1 7/64"-1 19/64"

1 9/64"-1 13/32"

1 11/64"-1 19/64"

1 3/16"-1 7/16"

1 3/16"-1 29/64"

1 15/64"-1 27/64"

1 15/64"-1 17/32"

1 17/64"-1 31/64"

1 19/64"-1 27/64"

1 19/64"-1 1/2"

1 5/16"-1 39/64"

1 21/64"-1 35/64"

1 21/64"-1 9/16"

1 21/64"-1 19/32"

1 11/32"-1 1/2"

1 23/64"-1 9/16"

1 27/64"-1 35/64"

1 27/64"-1 11/16"

1 29/64"-1 5/8"

1 15/32"-1 5/8"

1 15/32"-1 3/4"

1 15/32"-1 49/64"

1 31/64"-1 3/4"

1 1/2"-1 37/64"

1 1/2"-1 11/16"

1 1/2"-1 51/64"

1 33/64"-1 23/32"

1 17/32"-1 45/64"

1 35/64"-1 43/64"

1 35/64"-1 3/4"

1 19/32"-1 3/4"

1 41/64"-1 61/64"

1 21/32"-1 15/16"

1 21/32"-1 31/32"

1 43/64"-1 13/16"

1 45/64"-1 29/32"

1 23/32"-1 7/8"

1 23/32"-1 59/64"

1 3/4"-1 13/16"

1 25/32"-2 5/64"

1 51/64"-1 59/64"

1 13/16"-2 1/64"

1 53/64"-2 1/32"

1 57/64"-2 3/16"

1 57/64"-2 13/64"

1 29/32"-2 9/64"

1 59/64"-2 3/64"

1 59/64"-2 5/32"

1 15/16"-2 5/32"

1 31/32"-2 15/32"

1 63/64"-2 15/32"

2 1/64"-2 13/32"

2 3/64"-2 11/64"

2 9/64"-2 33/64"

2 5/32"-2 7/16"

2 11/64"-2 19/64"

2 11/64"-2 15/32"

2 19/64"-2 21/32"

2 5/16"-2 21/32"

2 21/64"-2 5/8"

2 27/64"-2 35/64"

2 29/64"-2 1/2"

2 29/64"-2 15/16"

2 29/64"-2 61/64"

2 15/32"-2 57/64"

2 31/64"-2 7/8"

2 35/64"-2 43/64"

2 43/64"-2 13/16"

2 51/64"-2 59/64"

2 61/64"-3 17/32"

3 1/64"-3 17/32"

3 3/64"-3 7/16"

3 17/64"-4 1/32"

3 9/32"-4 3/64"

3 19/64"-3 15/16"

3 11/32"-3 15/16"

3 33/64"-4 63/64"

3 35/64"-4 15/16"

3 19/32"-4 7/8"

4 3/64"-4 15/16"

4 19/64"-5 9/64"

4 51/64"-5 47/64"

5 3/64"-6 1/16"

	Color Color

	Black
	Red
	White
	Off-White
	Pink
	Clear
	Gray
	Yellow
	Orange
	Brown
	Blue
	Green
	Dark Gray
	Beige
	Light Gray
	Dark Blue
	Dark Brown
	Dark Green
	Dark Red
	Light Brown
	Silver
	Almond
	Ivory
	Purple

	Plug Type Plug Type


Snap In	Push In

Locking	Screw In

Expandable	Pull Through

End	Tamper Evident

Three Prong	Two Prong

	Shape Shape

	Drive Style Drive Style

External Square

External 12-Point

External Octagon

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

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	Gender Gender

	Connection Type Connection Type

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

RoHS Compliant with
Exemptions

	For Use With For Use With

	Connection Style Connection Style

Push to Connect

Quick Disconnect

	Profile Profile


Straight	Tapered

	For OD For OD

0.053" to 0.12"

0.079" to 0.15"

0.111" to 0.177"

0.205" to 0.273"

0.235" to 0.302"

0.298" to 0.365"

0.327" to 0.394"

0.356" to 0.422"

0.385" to 0.451"

0.409" to 0.485"

0.468" to 0.545"

0.487" to 0.568"

0.518" to 0.605"

0.613" to 0.693"

21/32" to 1 3/8"

0.663" to 0.761"

0.687" to 0.785"

0.74" to 0.849"

0.753" to 0.868"

0.901" to 1.027"

0.933" to 1.083"

1 1/32" to 2 5/32"

1 1/16" to 1 1/8"

1.085" to 1.358"

1 1/8" to 1 3/16"

1.169" to 1.437"

1.173" to 1.298"

1 3/16" to 1 1/4"

1.249" to 1.402"

1 1/4" to 1 5/16"

1.282" to 1.445"

1 3/8" to 1 7/16"

1 7/16" to 2 15/16"

1.498" to 1.62"

1 1/2" to 1 9/16"

1.568" to 1.688"

1 5/8" to 1 11/16"

1 11/16" to 2 3/8"

1.688" to 1.818"

1.718" to 1.888"

1 3/4" to 1 13/16"

1.781" to 1.938"

1.837" to 2.013"

1 7/8" to 1 15/16"

1.953" to 2.085"

2.063" to 2.377"

2.074" to 2 1/4"

2 1/8" to 2 3/16"

2.235" to 2.401"

2 1/4" to 2 5/16"

2.333" to 2.54"

2 3/8" to 2 7/16"

2.395" to 2.688"

2 1/2" to 2 9/16"

2.579" to 2.728"

2 5/8" to 2 11/16"

2.656" to 2.926"

2.685" to 2.947"

2 3/4" to 2 13/16"

2.787" to 2.918"

2.912" to 3.175"

3 1/8" to 3 3/16"

3 1/4" to 3 5/16"

3 5/16" to 4 9/16"

3 1/2" to 3 9/16"

3 5/8" to 3 11/16"

4 3/4" to 4 13/16"

	Maximum Temperature Maximum Temperature

Less than 100° F

100° to 249° F

250° to 499° F

500° to 999° F

1,000° F or greater

	NEMA Style NEMA Style


1-15	5-15	5-20

5-30	5-50	6-15

6-20	6-30	6-50

7-15	7-30	7-50

10-20	10-30	10-50

14-30	14-50	14-60

15-20	15-30	15-50

15-60	18-60	L1-15

L2-20	L5-15	L5-20

L5-30	L6-15	L6-20

L6-30	L7-15	L7-20

L7-30	L8-20	L8-30

L9-20	L9-30	L10-20

L10-30	L11-20	L11-30

L12-20	L12-30	L13-30

L14-20	L14-30	L15-20

L15-30	L16-20	L16-30

L17-30	L18-20	L18-30

L19-20	L19-30	L20-20

L20-30	L21-20	L21-30

L22-20	L22-30	L23-20

L23-30	L25-30	L26-30

ML1-15	ML2-15	ML3-15

	Head Diameter Head Diameter

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

REACH Compliant

How can we improve?

10,165 Products

Building and Machinery Hardware

Fluid Handling

Electrical

Heating, Ventilation, and Air Conditioning

Containers, Storage, and Furniture

Fastening and Joining

Fabricating and Machining

Lubricating

Facility and Grounds Maintenance

Communication

Power Transmission

Material Handling

Safety Equipment

Sealing

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)