Zero-Leak Gold Plugs

Provided for reference purposes only. Accepted, published, industry-standard tables take precedence over the data presented herein.

SAE J1926 PORT REFERENCE DIMENSIONS
(2/12/14)

 R 
E
F
Nominal Tubing
OD
Thread Size
SAE J475
(ISO R725)
D
Min. Dia.
J
Full Thread
Depth, Min.
K O
Min. Dia.
P(4)
Min.
S(2,3)
Max.
U(5)
Dia.
Y(3) Z
Angle
Nominal Decimal IN IN +.015
-.000
IN IN IN +0.005
-.000
IN +1 Deg.
A 1/8 0.125 5/16-24 UNF-2B 0.062 0.390 0.074 0.438 0.468 0.062 0.358 0.672 12
B 3/16 0.1875 3/8-24 UNF-2B 0.125 0.390 0.074 0.500 0.468 0.062 0.421 0.750 12
C 1/4 0.250 7/16-20 UNF-2B 0.172 0.454 0.093 0.563 0.547 0.062 0.487 0.828 12
D 5/16 0.3125 1/2-20 UNF-2B 0.234 0.454 0.093 0.625 0.547 0.062 0.55 0.906 12
E 3/8 0.375 9/16-18 UNF-2B 0.297 0.500 0.097 0.688 0.609 0.062 0.616 0.969 12
F 1/2 0.500 3/4-16 UNF-2B 0.391 0.562 0.100 0.875 0.688 0.094 0.811 1.188 15
G 5/8 0.625 7/8-14 UNF-2B 0.484 0.656 0.100 1.000 0.781 0.094 0.942 1.344 15
H 3/4 0.750 1-1/16-12 UNF-2B 0.609 0.750 0.130 1.250 0.906 0.094 1.148 1.625 15
I 7/8 0.875 1-3/16-12 UNF-2B 0.719 0.750 0.130 1.375 0.906 0.094 1.273 1.765 15
J 1 1.000 1-5/16-12 UNF-2B 0.844 0.750 0.130 1.500 0.906 0.125 1.398 1.910 15
K 1-1/4 1.250 1-5/8-12 UNF-2B 1.078 0.750 0.132 1.875 0.906 0.125 1.713 2.270 15
L 1-1/2 1.500 1-7/8-12 UNF-2B 1.312 0.750 0.132 2.125 0.906 0.125 1.962 2.560 15
M 2 2.000 2-1/2-12 UNF-2B 1.781 0.750 0.132 2.750 0.906 0.125 2.587 3.480 15
  1. Diameter U shall be concentric with thread pitch diameter within 0.005" TIR, and shall be free from longitudinal and spiral tool marks. Annular tool marks up to marks up to 100 µin (2.5 µm max shall be permissible).
  2. Maximum recommended spotface depth to permit sufficient wrench grip for proper tightening of the fitting or locknut.
  3. If face of boss is on a machined surface, dimensions Y and S need not apply.
  4. Tap drill depths given require use of bottoming taps to produce the specified full thread lengths. Where standard taps are used, the tap drill depths must be increased accordingly.
  5. Nominal tubing OD is shown for the standard in sizes. Figures are for reference only, as any boss can be used for a tubing size depending upon other design criteria.

 

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Zero-Leak Gold Plugs

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