MIL-PRF-29504/5D
Inspections for un-terminated termini:
Test sample configuration. Test fixture for this test shall include MIL-DTL-38999 shell size 11, 13, or
17, series III connectors, utilizing both plug and receptacle for retaining the termini during testing. A
minimum sample size shall be used to ensure sufficient quantity for termini inspections as part of a
single fiber cable and for termini inspections as an integral part of a multiple fiber connector.
Identification markings. The Termini Identification Color Coding (TICC) bands shall be marked on
the barrel of the termini or use of the allowed alternative markings as stated in 11/ of figure 1.
Manufacturer's symbol or trademark shall be in accordance with 11/ of figure 1. The manufacturer
shall list the symbol or trademark with SAE in accordance with SAE AIR 1351.
Terminus retention. Terminus displacement measurement is not applicable. Test may be used as
one operational means to verify acceptable shoulder construction.
Terminus engagement and separation force. Test is not applicable for socket terminus with solid
alignment sleeves. For socket terminus with split alignment sleeves, maximum engagement force
shall be 30 ounces (8.3 N) using a .0625 inch (1.588 mm) diameter gauge pin. The separation force
is not applicable.
Maintenance aging. Not applicable.
Fungus resistance. Not applicable.
Inspections for the terminus as part of a single fiber cable:
Test sample configuration. Each terminus is to be terminated on one end of a single fiber cable.
Cable used is to have provisions compatible with termini strain relief, as applicable. Termini,
selected from the group that passed inspections for un-terminated termini (group 1), shall be used.
A minimum sample size of 16 pin termini and 16 of the applicable counterpart socket termini,
selected from the group that underwent inspections for un-terminated termini, shall be used.
Fiber pull out force. Not applicable (This test is used for terminus configurations with no type of
cable strain relief).
Cable pull out force. Applicable for terminus configurations with any mechanism for cable strain
relief. The change in optical transmittance shall be measured after the test for a socket terminus,
during and after the test for a pin terminus.
Salt spray. Test samples (termini on single fiber cable) shall be tested to TIA/EIA-455-16, test
condition C. Terminus ferrule may be covered up to half way from the end face to the shoulder with
plastic protective (dust) covers. No corrosive effects shall be seen on the external connector parts
that would be detrimental to the operation of the connector. No optical degradation shall occur as a
result of this test. The criterion for insertion loss verification shall be used to determine if this optical
requirement is met. Insertion loss verification, with termini inserted into a MIL-DTL-38999 shell size
17; series III connector, shall be performed both prior to and after the salt spray test.
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