Notes:
MS28766B
1. Dimensions are in inches. Unless otherwise specified, tolerances linear dimensions for 3 digits + .010, for 4 digits + .0005, and for angles + 0.5o.
2. Diameters marked X shall be concentric within .005 FIM.
3. Diameters marked Y shall be concentric within .0005 FIM.
4. The machined surfaces shall be smooth to 125 micro inches Ra in accordance with
ASME B46.1.
5. Remove all burrs and sharp edges.
3.2 Bolt, valve dimensions. The bolt dimensions of the valve shall be in accordance with table II.
TABLE II. Bolt, valve dimensions.
Dash No |
Tube OD |
Thread S MIL-S-7742 |
Thread T MIL-S-7742 |
A + .031 |
B |
c |
-4 |
.250 |
.4375-20 UNF-3A |
.4375-20 UNF-3A |
1.438 |
1.087 |
.726 |
-6 |
.375 |
.4375-20 UNF-3A |
.5625-18 UNF-3A |
1.438 |
1.087 |
.726 |
-8 |
.500 |
.5625-18 UNF-3A |
.7500-16 UNF-3A |
1.688 |
1.274 |
.891 |
-10 |
.675 |
.5625-18 UNF-3A |
.8750-14 UNF-3A |
1.688 |
1.274 |
.891 |
TABLE II. Bolt, valve dimensions - continued.
Dash No |
D |
E |
F + .010 |
G + .003 |
H + .005 |
J + .005 |
K + .003 |
L + .005 |
-4 |
.540 |
.354 |
.060 |
.172 |
.365 |
.363 |
.189 |
.433 |
-6 |
.540 |
.354 |
.060 |
.203 |
.365 |
.363 |
.189 |
.433 |
-8 |
.634 |
.377 |
.065 |
.391 |
.480 |
.480 |
.300 |
.740 |
-10 |
.634 |
.377 |
.065 |
.422 |
.480 |
.480 |
.300 |
.740 |
6
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