MIL-PRF-28876E
3.3.8 Sealing compounds. Sealing compounds shall not flow at the maximum
specified storage temperature or exhibit cracking at the minimum specified
storage temperature.
3.3.9 Lubricants. Lubricants used in the construction of the connectors
shall satisfy the following criteria:
a. Lubricants shall be permanent and shall not require replacement during
the lifetime of the connector.
b. Lubricants shall not migrate to the optical interfaces resulting in the
degradation of optical performance.
c. Lubricants shall be useful over the environmental conditions specified
herein.
d. Lubricants shall not be affected by cleaning solvents.
3.4 Design and construction. Connector parts shall conform to figures A-1
through A-8, and as specified (see 3.1).
3.4.1 General. Connectors shall be designed to be compatible with optical
fibers and cables as specified (see 3.1).
3.4.2 Seals. Seals shall provide environmental isolation for the optical
contact junctions and connector interior parts. Grommets, O-rings,
interfacial seals, boots, gaskets, or other sealing devices, as needed by the
connector design, shall accomplish their intended purpose and meet all test
requirements as specified herein.
3.4.2.1 Optical junction sealing. Optical junctions shall be sealed
against moisture and contamination as specified herein.
Connectors shall seal the terminating cables as
3.4.2.2 Cable sealing.
specified herein.
3.4.3 Interchangeability and interoperability. Connector parts shall be
interchangeable and interoperable as specified in 3.4.3.1 and 3.4.3.2.
3.4.3.1 Interchangeability. All connector parts having the same military
Part or Identifying Number (PIN) shall be physically and functionally
interchangeable without need for modification of such items or of the mating
equipment.
3.4.3.2 Interoperability. All connectors of the same PIN shall be
interoperable. Upon qualification of the first manufacturer, all subsequent
manufacturers shall provide proof of interoperability with each qualified
manufacturer as specified in 4.7. The connectors shall meet the requirements
of 3.11.1, 3.12.3 and 3.12.4 for each specified interoperability condition
(see 4.7).
3.5
Connectors parts.
3.5.1
Shells.
The connector shells shall retain the connector insert.
3.5.1.1 Plugs: Plugs shall be of the inline (straight), 45°, and 90° type
as specified (see 3.1).
3.5.1.2 Receptacles. Receptacles shall be of the wall (panel) mount,
jamnut, or inline (straight) types as specified (see 3.1).
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