AN918 Rev 9
B
A
K
+.094 (2.39)
Dash
Pipe thread
C
Dia.
-0.00
number
ANPT
inches (mm)
inches (mm)
SAE-AS71051
inches (mm)
+.000
1
1/8-27
1.281 (32.54)
.625 (15.88)
.327 (8.31)
-.016 (0.41)
+.000
1/4-18
2
1.781 (45.24)
.813 (20.65)
.423 (10.74)
-.019 (0.48)
+.000
3/8-18
3
1.938 (49.23)
.938 (23.83)
.557 (14.15)
-.028 (0.71)
+.000
1/2-14
4
2.469 (62.71)
1.188 (30.18)
.688 (17.48)
-.034 (0.86)
+.000
3/4-14
6
2.688 (68.28)
1.375 (34.93)
.897 (22.78)
-.040 (1.02)
+.000
1-11 1/2
8
3.250 (82.55)
1.750 (44.45)
1.128 (28.65)
-.037 (0.94)
+.000
1/ 1/4-11 1/2
10
3.375 (85.73)
2.156 (54.76)
1.471 (37.36)
-.036 (0.91)
W
P
S
Dash
Dia.
Approx
Rad.
number
inches (mm)
inches (mm)
inches (mm)
.063 (1.60)
1
.578 (14.68)
.500 (12.70)
.094 (2.39)
2
.781 (19.84 )
.625 (15.88)
.094 (2.39)
3
.922 (23.42)
.750 (19.05)
.125 (3.18)
4
1.156 (29.36)
.875 (22.23)
.125 (3.18)
6
1.359 (34.52)
1.000 (25.40)
.125 (3.18)
8
1.688 (42.88)
1.125 (28.58)
.156 (3.96)
10
2.094 (53.19)
1.250 (31.75)
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Unless otherwise specified tolerances are ±.016 inch (0.41 mm).
4. Break sharp edges .and remove all hanging burrs and slivers
5. Machined surfaces shall be finished to 125µin Ra, forged surfaces shall be 250µin Ra, unless
otherwise specified on the figures. Surface finish shall be in accordance with ASME B46.1.
6. For design features purposes, this standard takes precedence over documents referenced herein.
7. Referenced documents shall be of the issue in effect on date of invitation for bid.
FIGURE 1. Cross dimensions and configurations - Continued.
2
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