System Maintenance Manual GTN 6XX/7XX Part 23 AML STC
190-01007-A1
Page 6-8
Rev. 5
6.4 NAV Antenna Cable Diplexer
Removal
1. Disconnect the coaxial connectors from diplexer, taking note of which coaxial connectors are
connected to each port on the diplexer.
2. Remove the mounting screws and diplexer.
Reinstallation
1. Reinstall the diplexer over the existing hole pattern and reinstall fasteners. Torque fasteners within
22 to 25 in-lbs.
2. Reconnect the coaxial connectors to the diplexer.
Approved Hardware for Replacement:
Stainless Hardware
Note:
Part numbers in parentheses are inactive or cancelled part numbers; these numbers may still be
available and/or referenced on packaging material.
Steel Hardware
Note:
Part numbers in parentheses are inactive or cancelled part numbers; these numbers may still be
available and/or referenced on packaging material.
Name
Part Number
Screw, Pan Head, Stainless
NASM51958, (MS51958), (AN520C)
Washer, .032 thickness
NAS1149C0332R, (AN960C-10L)
Washer, .063 thickness
NAS1149F0363P, (AN960C-10)
Nut, Self-locking Metal, Hex, Thin
NASM21043-3, NAS1291C3, (MS21043-3)
Nut, Self-locking Metal, Hex
NASM21046C3, MS20365C1032C, NAS1021C3,
(MS21046C3), (AN363C1032)
Nutplate, One Lug, Fixed
MS21052, MS21054, MS21072
Nutplate, One Lug, Floating
MS21062
Nutplate, Two Lug, Fixed
MS21048, MS21050, MS21070
Nutplate, Two Lug, Floating
MS21060, MS21076
Nutplate, Corner
MS21056, MS21058, MS21074
Nutplate, Side-by-side
MS21087
Name
Part Number
Screw, Pan Head, Low Carbon Steel
NASM35207, (MS35207), (AN520)
Screw, Pan Head, Alloy Steel
NAS603
Washer, .032 thickness
NAS1149F0332P, (AN960-10L)
Washer, .063 thickness
NAS1149F0363P, (AN960-10)
Nut, Self-locking Metal, Hex, Thin
NASM21042L3, NAS1291-3, (MS21042L3)
Nut, Self-locking Metal, Hex
NASM21045L3, (MS21045L3), (AN363-1032)
Nutplate, One Lug, Fixed
MS21051, MS21053, MS21071
Nutplate, One Lug, Floating
MS21061
Nutplate, Two Lug, Fixed
MS21047, MS21049, MS21069
Nutplate, Two Lug, Floating
MS21059, MS21075
Nutplate, Corner
MS21055, MS21057, MS21073
Nutplate, Side-by-side
MS21086