MIL-DTL-83505B
3.4.2.2.1 Tip configuration. The tip of the wrappost shall terminate in a radius or bevel to facilitate insertion into the wrapping tool.
If the tip of the wrappost terminates in a bevel, the apex of the bevel shall be flat, with no side of the flat exceeding
.015 inch (0.38 mm) on a .025 inch (0.63 mm) square and .020 inch (0.51 mm) on a .045 inch (1.14 mm) and
.06 inch X .03 inch (1.52 mm X 0.76 mm) rectangular.
E length
Number of
wrapped
Wire gage
Wire gage
Wire gage
Wire gage
Wire gage
Wire gage
Wire gage
connections
18
20
22
24
26
28
30
(mm)
(mm)
(mm)
(mm)
(mm)
(mm)
(mm)
1
.185 (4.70)
.219 (5.56)
.226 (5.74)
.258 (6.55)
.303 (7.69)
.327 (8.31)
.391 (9.93)
2
.320 (8.13)
.388 (9.85)
.402 (10.21)
.466 (11.83)
.556 (14.12)
.604 (15.34)
.732 (18.59)
3
.455 (11.56)
.557 (14.15)
.578 (14.68)
.674 (14.43)
.809 (20.55)
.881 (22.37)
1.073 (27.25)
FIGURE 3. Wrappable length.
3.4.2.2.2 Parallelism. See figure 4 and associated table.
Inches
mm
.0012
0.030
.0015
0.038
.003
0.38
Wrappost geometry
A
B
C
Parallelism
Straightness
(mm)
(mm)
(mm)
(mm)
Inch/inch (mm)
.025 (0.63) nominal
.025 (0.63) nominal
.0355 (0.902) max
.002 (0.05)
.005 (0.13)
.022 (0.56) min
.022 (0.56) min
.0325 (0.825) min
.002 (0.05)
.005 (0.13)
FIGURE 4. Diagonal dimension.
5
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