MIL-PRF-1/385D
Dimensions
Inches
Millimeters
Ltr
Min
Max
Min
Max
Conformance inspection, part 2
A
2.937
3.063
74.60
77.80
B
See note 1
C
1.937
2.063
49.20
52.40
D
10.063
10.750
255.60
273.08
S
See note 2
U
.141
3.58
V
.110
.116
2.79
2.95
Y
.313
.501
7.95
12.73
Reference dimensions (see note 6)
E
9.250
234.95
F
3.875
98.43
J
8.000 R
203.20 R
K
.250 R
6.35 R
L
12.438 R
315.93
M
.350
8.89
T
.068 Dia
1.73 Dia
W
.058
1.47
X
.030 R
0.76 R
NOTES:
1.
The minimum useful screen radius shall not be less than 1.375 (34.93 mm)
2.
The maximum diameter uncoated area around center of the radial deflecting
electrode terminal shall not be more than .625 (15.88 mm).
3.
The radial deflecting electrode terminal shall be eccentric with respect to the
tube axis by not more than .063 (1.60 mm).
4.
The base shall be a medium shell DIHEPTAL 12-pin (B12-37) type.
5.
The bulb shall be a J24G type.
6.
These dimensions are for information only and are not required for inspection purposes.
FIGURE 1. Outline drawing of electron tube 3DP1A and 3DP1A+S2.
5