NAVAIR 01-1A-505-3
TO 1-1A-14-3
TM 1-1500-323-24-3
010 02
1 September 2011
Page 3
3.
DESCRIPTION. The connectors covered by
9. MOUNTING. Connectors can be mounted in
MIL-DTL-26518 have the following features:
either a fixed position by means of a self-locking
bushing or in a floating position by means of a spring
a. Environment resistant at sea level and high
loaded mounting assembly which must be ordered
altitudes.
separately (WP 010 03).
b. Continuous operation at temperatures
10. PART NUMBER. The following paragraphs
ranging from -67F (-55C) to +460F (+238C).
contain information necessary for proper selection
and procurement of connector (Figure 2).
c.
Fluid resistant
NOTE
d. Designed to ensure correct orientation of the
mating halves prior to mating.
As all NAVAIR connector and accessory
documents are transitioned to non-
4. WIRE SEALING. Wire sealing is
government standards, (the Society of
accomplished by use of a grommet seal designed to
Automotive Engineers (SAE), will become
seal against outside diameter of inserted wire. If wire
the preparing activity and the Navy will
outside diameter is not large enough to fill wire
adopt the documents), the drawing number
sealing grommet holes, buildup wire outside diameter
prefix will change from MS to AS. The
by applying heat-shrinkable insulating sleeving
main part number designation remains the
(SAE-AMS-I-23053). This must be accomplished
same, with the "M" prefix, such as
prior to contact insertion. The wire outer diameter
M81511/17-08. At times the entire item may
shall be within the applicable size range specified
be superseded by another. There are many
(Table 1).
cases where documents have been cancelled
without replacements, each case was
reviewed and some information has been
5.
MIL-DTL-26518 CONNECTORS
retained in this volume "for reference use
6. SEALING PLUGS. Insulated plugs are
only".
provided for sealing spare contact holes. The
11. Military Designation. The military designation
connector when ordered as a unit will have sealing
denotes the type of contact and mating face.
plugs enclosed to equal 15 percent of the number of
contacts but not less than three. The sealing plugs are
12. Class. Class indicates the environment resistant
used in both plugs and receptacles.
abilities.
7. CONNECTOR SHELLS. The connector shells
13. Shell Size. The shell size is indicated by a
are of one piece construction and designed to
progressive lettering system.
positively retain the inserts.
14. Insert Configuration. The insert configuration is
8. POLARIZATION. Polarization of MIL-DTL-
indicated by a number denoting the number and size
26518 connectors is accomplished by variation of the
of contacts used.
keystone corner method in that two corners have a
curvature and two are square.
15. DESIGN AND CONSTRUCTION.
Connectors are designed so that neither the pins nor
sockets will be damaged during normal mating of
counterpart connectors.
