MIL-PRF-29504/14A
Manufacturers who are qualified under this specification sheet for a long
terminus, and whose short termini pass the size inspections specified herein,
are qualified under this specification sheet for short termini. Testing is to
be performed on four terminus samples. This qualification by similarity is
valid if the only difference between the previously qualified long termini and
the short termini is a change in overall terminus length.
Manufacturers who are qualified under this specification sheet for multimode
termini, and whose single-mode termini pass the size, identification marking,
workmanship, insertion loss, return loss, cable pull out force, mating
durability, shock, temperature cycling, temperature life, and flammability
inspections specified herein, are qualified under this specification sheet for
single-mode termini. Testing is to be performed using four mated pair. This
qualification by similarity is valid if the only difference between the
previously qualified multimode termini and the single-mode termini is a change
in the the terminus ferrule dimensions.
Usage: Termini compliant with this specification sheet may be used in
connectors other than MIL-PRF-28876 at the discretion of the acquiring
activity.
TABLE 1.
TICC numbers and dimensions for ferrule.
TICC number
A diameter
1/
µm 2/
Inches
Single-mode
Multimode
Single-mode
Multimode
+0.00004
(short)
(short)
(long)
(long)
+1.0
-0.0000
-0.0
4127
4137
4147
4157
0.00480
122.0
4128
4138
4148
4158
0.00484
123.0
4129
4139
4149
4159
0.00488
124.0
4130
4140
4150
4160
0.00492
125.0
4131
4141
4151
4161
0.00496
126.0
4132
4142
4152
4162
0.00500
127.0
4133
4143
4153
4163
0.00504
128.0
4134
4144
4154
4164
0.00551
140.0
4135
4145
4155
4165
0.00560
142.0
4136
4146
4156
4166
0.00567
144.0
1/ For maximum performance, termini should be selected for the best
(tightest) fit to the fiber. Fitting the next size larger terminus
to a fiber may affect connector performance.
2/ Rounded to the nearest 0.5 µm.
7
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