MIL-DTL-24251/3D
TABLE 1. Characteristics.
Dash
Heat dissipation
A
B
C
Weight
Tube envelope
Retainer
Tube
±.060
±.015
no.
temp. reduction
grams
(base)
socket
Style
Length
in °C (minimum)
Max
max 2/
ref
ref
nom.
(1.48)
(0.38)
1
40
1.343
1.593
.875
11.0
T-5 1/2
1.125
M24251/4-1
MIL-PRF-
(34.11)
(40.46)
(22.23)
(28.58)
12883/10
2
70
1.843
2.093
.875
15.0
T-5 1/2
1.500
M24251/4-1
MIL-PRF-
(46.81)
(53.16)
(22.23)
(38.10)
12883/10
3
75
2.343
2.593
.875
19.0
T-5 1/2
2.000
M24251/4-1
MIL-PRF-
(59.51)
(65.86)
(22.23)
(50.80)
12883/10
4
35
1.343
1.593
1.000
12.0
T-6 1/2
1.125
M24251/4-2
MIL-PRF-
(34.11)
(40.46)
(25.40)
(28.45)
12883/11
5
85
1.843
2.093
1.000
16.0
T-6 1/2
1.562
M24251/4-2
MIL-PRF-
(46.81)
(53.16)
(25.40)
(39.62)
12883/11
6
75
2.343
2.593
1.000
20.0
T-6 1/2
2.000
M24251/4-2
MIL-PRF-
(59.51)
(65.86)
(25.40)
(50.80)
12883/11
7 1/
75
2.562
2.812
1.000
20.0
T-6 1/2
2.437
M24251/4-2
MIL-PRF-
(65.07)
(71.42)
(25.40)
(61.90)
12883/11
1/ This shield is for use with noval tubes which are longer than usual tubes, for example, tube type 6094.
2/ Weight of shield assembly less base.
REQUIREMENTS:
The shield, locking mechanism, liner, and other parts shall be designed to meet the requirements in MIL-DTL-
24251, and to fit the tube envelope, tube socket, and retainer (base) specified in table I.
Dimensions and configuration: See figure 1 and table I.
Material:
Liner: Beryllium copper, ASTM-B194.
Shell: Aluminum alloy, SAE-AMS-QQ-A-250, and ASTM-B209.
Finish:
Liner: Black cadmium plate, SAE-AMS-QQ-P-416, class 3, type II, optional finish: Henderlube or equal.
Shell: Black anodize - type II in accordance with MIL-A-8625, or black matte in accordance with MIL-DTL-5541,
optional finish: Henderlube or equal.
Installation force shall not exceed 20 pounds.
Engaging torque: 20 inch-pounds maximum.
The Part or Identifying Number (PIN) consists of the basic number of this specification sheet, preceded by the letter
"M", and a dash number taken from table I.
Example:
M24251/3-1
Basic document
Dash number
number
from table
2
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