Square-Head Threaded Plugs

TPN plugs are ideal for low-pressure testing and in-house handling. The square head design enables easy installation. These plugs protect threaded ports from damage, contamination and moisture. Resistant to oil and heat up to 121º C, but not intended for permanent applications.

Fits NPT threads
Easy to use
Square head design

Material: High-density polyethylene
Standard Colour: Black

Type: Fitting Protection, Protection & Finishing , Plugs

Material: HDPE, Polyethylene

Applications: Hydraulics

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Part Number	Dim B (IN)	Dim C (IN)	Dim F (IN)	To Plug NPT Thread Size
TPN-1	0.25	0.29	0.28	1/8-27
TPN-3	0.25	0.35	0.38	1/4-18
TPN-5	0.25	0.42	0.44	3/8-18
TPN-7	0.25	0.47	0.56	1/2-14
TPN-9	0.25	0.52	0.62	3/4-14
TPN-11	0.25	0.59	0.81	1-11-1/2
TPN-13	0.38	0.83	1.00	1-1/4-11-1/2
TPN-15	0.38	0.83	1.25	1-1/2-11-1/2

Part Number

Dim B (IN)

Dim C (IN)

Dim F (IN)

To Plug NPT Thread Size

TPN-1

0.25

0.29

0.28

1/8-27

TPN-3

0.25

0.35

0.38

1/4-18

TPN-5

0.25

0.42

0.44

3/8-18

TPN-7

0.25

0.47

0.56

1/2-14

TPN-9

0.25

0.52

0.62

3/4-14

TPN-11

0.25

0.59

0.81

1-11-1/2

TPN-13

0.38

0.83

1.00

1-1/4-11-1/2

TPN-15

0.38

0.83

1.25

1-1/2-11-1/2