AN840 Rev 10
Weight max lbs (kg)
Dash
Al
TI
number
Copper alloy
Steel
alloy
alloy
4
.039 (0.018)
.013 (0.059)
.038 (0.02)
.021 (0.01)
6
.069 (0.031)
.023 (0.010)
.067 (0.03)
.038 (0.02)
8
.099 (0.044)
.033 (0.015)
.097 (0.04)
.055 (0.02)
9
.126 (0.057)
.042 (0.019)
.123 (0.06)
.069 (0.03)
10
.171 (0.078)
.057 (0.026)
.167 (0.08)
.094 (0.04)
11
.159 (0.072)
.053 (0.024)
.156 (0.07)
.087 (0.04)
12
.258 (0.117)
.086 (0.025)
.252 (0.11)
.142 (0.06)
13
.258 (0.117)
.086 (0.039)
.252 (0.11)
.142 (0.06)
16
.270 (0.122)
.090 (0.041)
.264 (0.12)
.149 (0.07)
17
.381 (0.173)
.127 (0.057)
.373 (0.17)
.210 (0.10)
20
.681 (0.309)
.227 (0.103)
.666 (0.30)
.375 (0.17)
21
.471 (0.214)
.157 (0.071)
.461 (0.21)
.260 (0.12)
24
.825 (0.374)
.275 (0.125)
.807 (0.37)
.455 (0.21)
25
.705 (0.320)
.235 (0.107)
.689 (0.31)
.388 (0.18)
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 125µ in Ra, forged surfaces shall be 250µ inches Ra, unless
otherwise specified on the figures. Surface finish shall be in accordance with ASME B46.1.
6. These dimensions are limits and specified tolerances do not apply.
7. For design features purposes, this standard takes precedence over documents referenced herein.
FIGURE 1. Adapter, straight, dimensions and configuration - Continued.
REQUIREMENTS:
Dimensions and configuration shall be in accordance with figure 1
Installation shall be in accordance with MS21344.
Materials and finishes shall be in accordance with SAE-AS4843/2, see table I for material code.
TABLE I. Material and designators.
Code letter
Material
Blank
Copper alloy
R
Corrosion resistant steel (CRES), Type 321
S
CRES, type 347
T 1/
Titanium alloy
W
Aluminum alloy 7075-T73
1/ Not for use in oxygen systems.
3
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