MIL-PRF-1/1614B
Ltr
Dimensions
Inches
Millimeters
Min
Max
Min
Max
Conformance inspection, part 2
A
19.120
19.880
485.65
504.95
B
----
7.130
----
181.10
Conformance inspection, part 3 (see note b)
C
----
4.130
----
104.90
D
7.500
10.000
190.50
254.00
F
0.310
0.380
7.87
9.65
J
Cap: C1 - 10 (EIA)
K
Base: F0 - 2 or F0 - 1 (EIA)
Reference dimension
E
0.625
15.88
NOTES:
1. Material used for insulated sleeve may be beaded
ceramic or vinyl coated fiberglass or equivalent.
2. A sample size of three tubes shall be checked annually,
with no failures allowed. In case of a sample failure, the
test shall become a conformance inspection, part 2 test,
for three successful consecutive submissions at which
time the test may revert to the conformance inspection,
part 3 test.
FIGURE 1. Outline drawing of electron tube type 857B .
3