Installation Materials Required But Not Supplied; Accessories Required But Not Supplied; Materials Required But Not Supplied (New Installations Only) - Garmin GTN 625 Installation Manual

4.7 Installation Materials Required but not Supplied

4.7.1

Accessories Required but not Supplied

The following installation accessories are required but not provided.
Item
COM Antenna
(GTN 635 and 650 Only)
NAV Antenna
(GTN 650 Only)
Glideslope Antenna
(GTN 650 Only)
Headphones
Microphone
GPS Antenna
4.7.2

Materials Required but not Supplied (New Installations Only)

The GTN is intended for use with the standard aviation accessories. The following items are required for
installation, but not supplied:
 Wire (MIL-W-22759/16 or equivalent)
NOTE
If MIL-W-22759/18 wire is utilized because the smaller insulation diameter works better
with the high-density connectors used in the GTN, care must be taken to adequately
support and protect the wiring due to its thinner insulation.
 Shielded Wire (MIL-C-27500 or equivalent)
 Mounting Screws (8 minimum – MS24693 Screw, Machine, Flat Countersunk Head 100°, Cross-
recessed with .1380-32 UNC-2A Thread, Corrosion Resistant Steel)
 Push/Pull (manually resettable) Circuit Breakers
 Tie Wraps or Lacing Cord

Ring Terminals (for grounding)
 Coaxial Cable (RG-400, RG-142B or equivalent – Refer to Section 4.11 for additional
information)
GTN 625/635/650 TSO Installation Manual
Page 4-6
Meets TSO-C37( ) and C38( ) or TSO-C169( ). 50, vertically polarized
with coaxial cable
Meets TSO C40( ) and C36( ). 50, horizontally polarized with coaxial
cable. Note that if the NAV antenna is a combined VOR/LOC/GS antenna, it
must meet TSO C40( ), C36( ), and C34( ).
Meets TSO-C34( ). 50, horizontally polarized with coaxial cable or low-
loss splitter used with the VOR/LOC antenna.
500 nominal impedance
Low impedance, carbon or dynamic, with transistorized pre-amp
See Section 4.2.1 for options.
Requirements
190-01004-02
Rev. F