MIL-DTL-12883/48D
TABLE III. Insertion and withdrawal forces.
Condition
Inspection
Insertion force
Insertion force (max)
21 lbf (93.41 newton)
Initial
Withdrawal force (min)
2.0 lbf (8.90 newton)
After 10 insertions and
Insertion force (max)
23 lbf (102.31 newton)
withdrawals; before vibration
Withdrawal force (min)
2.0 lbf (8.90 newton)
Insertion force
23 lbf (102.31 newton)
After vibration
Withdrawal force (min)
2.0 lbf (8.90 newton)
Mounting hardware: The mounting hardware shall allow mounting the socket above, or below the panel
or chassis (see figures 3, 4 and 5), and shall allow mounting and securing the relay to the socket without
disturbing the mounted socket or access to the wiring side of the socket. The hardware shall provide
the nominal spacing between socket surface and relay mounting flange, regardless of mounting
configuration.
Supplied with relay socket 12883/48-01 through M12883/48-04 and M12883/48-09.
6 each .112-40 self locking nuts (.206 max dia x .176 max height).
6 each .112 flat washers (.220 max O.D. x .018 max thick).
3 each .190-32 self locking nuts (.330 max dia x .190 max height).
3 each .190 flat washers (.360 max O.D. x.019 max thick).
3 each studs for loose mounting configuration only (see figure 5).
Supplied with relay socket M12883/48-05 through M12883/48-08 and M12883/48-10
8 each .112-40 self locking nuts (.206 maximum diameter x .176 maximum height).
8 each .112 flat washers (.220 maximum O.D. x .018 maximum thickness).
4 each .190-32 self locking nuts (.330 maximum diameter x .190 maximum height).
4 each .190 flat washers (.360 maximum O.D. x .036 maximum thickness).
4 each studs for loose mounting configuration only (see figure 5).
Fixed mounting studs: Studs shall be fixed into the mounting flange of the socket and shall be designed
so as to prevent rotation of the stud within the flange (see figure 4).
Contact installation tools: see table IV, approved equivalent industry standard tools may also be used
where appropriate.
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