MIL-PRF-1/999C
Dimensions
Ltr
Inches
Millimeters
Min
Max
Min
Max
Preproduction sample approval inspection
(see note 9)
G
---
.281
---
7.14
Conformance inspection, part 1
(see note 10)
A
1.265
1.285
32.13
32.64
B
.770
.780
19.56
19.81
C
---
1.719
---
43.66
D
1.296
1.302
32.92
33.07
F
.125
---
3.18
---
Conformance inspection, part 2
E
.995
1.005
25.27
25.53
H
.117
.133
2.97
3.38
J
---
.020 Rad
---
0.51 Rad
K
.495
.505
12.57
12.83
L
---
.438
---
11.13
NOTES:
1. The tubulation shall fall within a circle .438 inch (11.13 mm) diameter maximum located from the center lines of the end
plate.
2.
An optional cosmetic silver plate 100 MSI minimum or equivalent finish may be applied, at the manufacturer's discretion.
3.
Applies to four walls for full length from radius J to window plate.
4.
Four long edges of tube body shall have a .020 inch (0.51 mm) ±.010 inch (0.25 mm) approximate radius.
5.
A radius of .031 inch (0.79 mm) maximum or a chamfer of .016 (0.41 mm) x 45° maximum permissible on the window
plate corners.
6.
Spread of solder to be held within area shown.
7.
No gaskets are to be used with this tube.
8.
These surfaces on all four sides shall be perpendicular to each other within .010 inch (0.25 mm) for full length of body
from radius J to window plate.
9.
Preproduction sample approval requirements hereby replace any qualification requirements referable to the product
covered herein. The term "First article testing" shall be considered as synonymous with the term "Preproduction sample
approval testing." All tests applied herein (including all preproduction sample approval and conformance inspection,
parts 1, 2, and 3) shall be performed during preproduction sample inspection. A failure of any one tube in any of the
tests shall be cause for decision of preproduction sample disapproval.
10.
Unless otherwise specified, the acceptance level for all tests listed under conformance inspection, part 1, shall be 1.0.
Acceptance shall be based upon accept on zero (c = 0) sampling plan in accordance with table III of MIL-PRF-1.
FIGURE 1. Outline drawing of electron tube type 6163 - Continued.
5
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