MIL-PRF-8805/48H
REQUIREMENTS:
Dimensions and configuration: See figure 1 and table I.
TABLE I. Dimensions and operating characteristics.
Lead Wires
A
B
G
Operating
C
D
E
F
diameter
diameter
MS21320-
H
Number
Max. ±3°
range
Max.
Max.
Max.
Size
max.
max.
req.
13°
1
R
6
1.030
3.41
2.16
Number
4°
---
±3°
(26.16)
(86.61)
(54.86)
20
2
L
20°
3
R
4.10
2.82
1.86
10°
45°
±4°
(104.14)
(71.63)
(47.24)
4
L
1.030
15°
(26.16)
5
R
1.530
3.68
2.44
1.46
Number
5°
4
±4°
(38.86)
(93.47)
(61.98)
(37.08)
18
6
L
15°
7
R
4.10
2.82
1.86
10°
8
±5°
(104.14)
(71.63)
47.24)
L
8
NOTE: MS21320 was superseded by MIL-PRF-8805/48; the MS21320 Part Numbers (PINS) were
retained.
Enclosure design: Four (resilient). All entrances to the switch cavity except through the actuator
bushing shall be sealed by fusion of glass-to-metal, metal-to-metal, or ceramic-to-metal and the lead
wires shall be potted to provide stress relief.
Temperature characteristic: 1 (-55°C to +85°C).
Shock type: M (100 G).
Sinusoidal vibration grade: 1 (10 Hz to 500 Hz).
Finish: Switch housing shall be processed to resist corrosion.
Maximum weight with leads:
MS21320-1, -2:
9.5 ounces.
MS21320-3, -4:
15.5 ounces.
MS21320-5, -6:
9.5 ounces.
MS21320-7, -8:
15.5 ounces.
Operating characteristics:
Operating torque: 12 to 25 inch-pounds.
Release torque:
±10 percent variation from
MS21320-1, -2: 9 inch-pounds minimum.
specified values acceptable
MS21320-3, -4: 4 inch-pounds minimum.
after test.
MS21320-5, -6, -7, 8: 8 inch-pounds minimum.
Full overtravel torque: 40 inch-pounds maximum.
Coincidence of operating and releasing points: Not applicable.
Contact resistance: Not applicable.
Insulation resistance: 100 meghoms minimum.
3
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