Page 161 - Pontiac Catalog

Tube Nut Identification

A few component combinations and fitting references
3/8-24 3/16"tube
TN-1 TN-5 Green TN-12 Gold TN-5 TN-12 Gold
Gold 1/2-20 3/16"tube 7/16-24 1/4"tube Green
Blue 1/2-20 3/16"tube 7/16-24 1/4"tube
TN-14
9/16-18 1/4"tube Brake Fluid TN-1 Gold
Proportioning Valve To convert to 3/16" tube TN-1 Warning Block
1971-88 to 1/4" tube use 3/8-24 3/8-24 3/16"tube
adapterAD-3 with 3/16"tube
TN-12 tube nut. 1967-70
TN-1 Gold Gold
3/8-24 3/16"tube Gm Master Cylinder 1967-90 Gm Master Cylinder Late
GM Components Note:
When ordering tube nuts,
Most aftermarket components Green Blue be sure to check the nut Olive Orange
are based on the GM factory or component with a die
component, such as Corvette or thread gauge. These
master cylinder and prop valve. drawings are only a
See chart on tube nut page to TN-5 TN-14 guide and may vary. TN-7 TN-13
cross reference nuts. 1/2-20 3/16"tube 1/2-20 3/16"tube 9/16-18 3/16"tube 1/2-20 1/4"tube
Note:
Most components, such as wheel cylinders and brake calipers, use a TN-1.
3/8-24 3/16"tube TN-6 Red
TN-1 TN-1 Gold 7/16-24 3/16"tube Residual Pressure Valve
Gold 3/8-24 3/16"tube Olive
TN-7 3/8-24 3/16"tube
9/16-18 3/16"tube TN-1 Adjustable Proportioning
Proportioning Valve
1971-88 To convert to 3/16" tube ADT-11 Valve
to 1/4" tube use
adapterAD-3 with 3/16 tube applications
TN-12 tube nut.
TN-1 Gold 3/8-24 3/16"tube 3/8-24 3/16"tube
3/8-24 3/16"tube TN-1 TN-1
Ford Master Cylinder ADT-11
Ford Components
When using 1/4 tube replace
Most non-factory components Olive Gold ADT-11 with ADT-12 & TN-1
are designed to use pipe Green Red with TN-12
thread, so these will require
adapters to convert from pipe
thread to inverted flare. Non Factory TN-1 TN-1
TN-7 TN-1 Most non-factory components
9/16-18 3/16"tube 3/8-24 3/16"tube are designed to use pipe ADT-11 ADT-11
TN-5 TN-6 3/8-24 3/16"tube 3/8-24 3/16"tube
Note: Most components 1/2-20 3/16"tube 7/16-24 3/16"tube thread, so these will require
such as wheel cylinders, adapters to convert from pipe
brake calipers, use a TN-1. thread to inverted flare.
TN-1 TN-12 Hold off Valve
TN-1 TN-1 TN-12 TN-12 3/8-24 3/16"tube
TN-1 3/8-24 3/16"tube
ADT-11 TN-1
Line tee 3/16 tube Line tee 1/4 tube ADT-11
Note: Note: TN-1
To convert any 3/16 tube To convert any 1/4 tube ADT-11 When using 1/4 tube replace
side to 1/4 tube use side to 3/16 tube use 3/8-24 3/16"tube ADT-11 with ADT-12 & TN-1
with TN-12
adapter ADT-9 with TN-12 adapter ADT-10 with TN-1.
3/8-24 3/16"tube
TN-1
Mopar Component Mopar Master Cylinder Non Factory ADT-11
Most non-factory components Dk. Blue Violet Most non-factory components
are designed to use pipe are designed to use pipe Thru the frame fitting
thread, so these will require thread, so these will require Note: Most components such
adapters to convert from pipe adapters to convert from pipe as: wheel cylinders, brake
thread to inverted flare. TN-8 TN-9 thread to inverted flare. calipers, use a TN-1 3/8-24.
9/16-20 3/16"tube 1/2-20 3/16"tube

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