MIL-PRF-19500/297H
Ltr
Dimensions
Inches
Millimeters
Min
Max
Min
Max
OAH
1.000
25.40
CH
.450
11.43
HT
.115
.200
2.93
5.08
SL
.422
.453
10.72
11.50
.060
1.53
HT1
B
.250
.375
6.35
9.52
CD
.667
16.94
HF
.667
.687
16.95
17.44
J
.156
3.97
φT
.140
.175
3.56
04.44
C
.080
2.03
M
.030
0.77
NOTES:
1. Dimensions are in inches.
2. Millimeters are given for general information only.
3. Units must not be damaged by torque of 30 inch-pounds applied to .250-28 UNF-28 nut assembled on
thread.
4. Diameter of unthreaded portion .249 inch (6.32 mm) max and .220 inch (5.59 mm) min.
5. Complete threads to extend to within 2.5 threads of seating plane.
6. Angular orientation of this terminal is undefined.
7. Max pitch diameter of plated threads shall be basic pitch diameter .2268 inch (5.76 mm) reference
FED-STD-H28.
8. A chamfer or undercut on one or both ends of the hex portion is optional; minimum base diameter at
seating plane. .600 inch (15.24 mm).
9. In accordance with ASME Y14.5M, diameters are equivalent to φx symbology.
FIGURE 1. Physical dimensions, (all device types) DO-5 - Continued.
4
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