MIL-PRF-28861/4D
L
Dash
A
L
Dash
A
dimension
number
dimension
dimension
number
dimension
(±.010)
(±.010)
max
max
001
.187
.630
019
.312
.630
002
.187
.630
020
.312
.630
003
.187
.730
021
.312
.730
004
.187
.630
022
.312
.630
005
.187
.630
023
.312
.630
006
.187
.730
024
.312
.730
007
.187
.630
025
.312
.630
008
.187
.630
026
.312
.630
009
.187
.730
027
.312
.730
010
.187
.630
028
.312
.630
011
.187
.630
029
.312
.630
012
.187
.730
030
.312
.730
013
.187
.630
031
.312
.630
014
.187
.630
032
.312
.630
015
.187
.730
033
.312
.730
016
.187
.630
034
.312
.630
017
.187
.630
035
.312
.630
018
.187
.730
036
.312
.730
Inches
mm
Inches
mm
Inches
mm
Inches
mm
.003
0.08
.022
0.56
.145
3.68
.395
10.03
.005
0.13
.045
1.14
.187
4.75
.408
10.36
.007
0.18
.070
1.78
.200
5.08
.410
10.41
.010
0.25
.093
2.36
.250
6.35
.630
16.00
.015
0.38
.115
2.92
.312
7.92
.730
18.54
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Circuit diagrams are for information only.
4. All filters shall be supplied with mounting hardware (hex nut and lockwasher). Mounting hardware shall be
furnished with the same finish as the filter case.
5. Terminal identification (nonsymmetrical filters): The case shall be marked at the threaded end of the filter
with the symbol "C" or the symbol "L" as follows, or the circuit diagram shall be marked on the case.
Circuit
Symbol
C
L1
L2
L
Optional slot may be supplied, .050 ± .010 inches (1.27 ± 0.25 mm) x .070 ± .010 inches (1.78 ± 0.25 mm).
6.
7.
Imperfect thread or undercut optional .050 inch (1.27 mm) maximum.
8.
One imperfect thread allowed .035 inch (0.89 mm) maximum.
Recommended mounting torque: 44 inch-ounces ± 4 inch-ounces.
9.
FIGURE 1. Case and hardware dimensions and circuit diagrams - Continued.
2
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