MIL-PRF-27/57D
VERIFICATION:
Extent of qualification:
Qualification testing and approval to M27/49-44 A or B, M27/51-44 A or B, M27/53-44 A or B, M27/56-44 and
M27/66-27 shall be sufficient to grant qualification approval to MIL-PRF-27/48 through MIL-PRF-27/66
inclusive, all parts.
Qualification testing and approval to M27/57-44 shall be sufficient to grant qualification approval to M27/57-01
through M27/57-44.
Part or Identifying Number (PIN) example:
27/57
-01
M
|
|
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MIL specification item
Specification sheet no.
Dash no.
TABLE I. Electrical ratings.
Dash number
Secondary voltage
Secondary current
Working voltage
(3-5) (V rms) ±3%
(3-5) (amps rms)
(V rms max)
01
6
8.333
325
02
6.3
7.937
325
03
7
7.143
325
04
7.5
6.667
325
05
8
6.250
325
06
9
5.556
325
07
10
5.000
325
08
11
4.545
325
09
12
4.167
325
10
12.6
3.968
325
11
13
3.846
325
12
15
3.333
325
13
16
3.125
325
14
18
2.778
325
15
20
2.500
325
16
22
2.273
325
17
24
2.083
325
18
26
1.923
325
19
28
1.786
325
20
30
1.667
325
21
33
1.515
325
22
36
1.389
325
23
39
1.282
325
24
43
1.163
325
25
47
1.064
325
26
51
0.980
325
27
56
0.893
325
28
62
0.806
325
29
68
0.735
325
30
75
0.667
325
31
82
0.610
325
32
91
0.549
325
33
100
0.500
325
34
110
0.455
325
35
115
0.435
325
36
120
0.417
325
37
130
0.385
325
38
150
0.333
325
39
180
0.278
325
40
200
0.250
440
41
220
0.227
440
42
240
0.208
440
43
270
0.185
580
44
300
0.167
580
3
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