AN841 Rev 7
Tube
B
Dash
Hose ID
OD
±.031 (0.79)
Thread A
number
inches (mm)
inches (mm)
inches (mm)
4
.250 (6.35)
.250 (6.35)
.4375-20UNJ-3A
2.250 (57.15)
6
.375 (9.53)
.375 (9.53)
.5625-18UNJ-3A
2.313 (58.75)
8
.500 (12.70)
.500 (12.70)
.7500-16UNJ-3A
2.438 (61.93)
10
.625 (15.88)
.625 (15.88)
.875-14UNJ-3A
2.563 (65.10)
12
.750 (19.05)
.750 (19.05)
1.0625-12UNJ-3A
2.688 (68.28)
16
1.000 (25.40)
1.000 (25.40)
1.3125-12UNJ-3A
2.781 (70.64)
C
R
Dash
±.005 (0.13)
±0.16 (0.41)
number
inches (mm)
inches (mm)
4
.688 (17.48)
+.004 (0.10)
6
.813 (20.65)
-.006 (0.15)
8
1.000 (25.40)
1.625 (41.28)
10
1.125 (28.58)
+.005 (0.13)
-.006 (0.15)
12
1.375 (34.93)
+.008 (0.20)
16
1.625 (41.28)
-.016 (0.41)
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Break sharp edges and remove all hanging burrs and slivers.
4. Machined surfaces shall be finished to 125 µ-in Ra, forged surfaces shall be 250 µ-in Ra, unless
otherwise specified on the figures. Surface finish shall be in accordance with ASME B46.1.
5. For design features purposes, this standard takes precedence over documents referenced herein.
FIGURE 1. Adapter, dimensions and configuration - Continued.
2
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