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Chapter 2 • Antenna parts and required tools
18
1037312-0001 Revision A
Small hardware parts
lists
Tables 2 and 3 list the small hardware parts included in the
antenna kits for the two radio types (J-type and cradle-type).
The parts listed in Table 2 are included in both kits, for both radio
assembly types.
Table 2: Small hardware parts used in antenna kits for both radio types
Part Quantity Comments
For assembling the antenna
¼-20 × 1-3/8-inch thread-cutting screws 4 These parts are used for attaching the:
• Reflector
• Feed rods
• Feed support tube
The hardware for each task is specified in Chapter 3
– Assembling the antenna.
¼-20 × 1-inch hex bolts 3
¼-20 × 2-inch hex bolt 1
¼-inch flat washers 8
¼-inch lock washers 4
¼-inch hex nuts 4
For mounting the radio assembly (both types)
0.9-inch inside diameter O-ring * 1 These parts are used for both radio assemblies, to:
• Attach the feed horn
• Mount the radio assembly
The hardware for each task is specified in:
• Chapter 4 – Installing a J-type radio assembly
• Chapter 5 – Installing a cradle-type radio
assembly
No. 6-32 × 0.5-inch socket-head cap screws * 7
No. 6 internal tooth lock washers * 7
Silicone grease capsule 1
5/16-18 × 2.25-inch carriage bolts 2
5/16-inch flat washers 4
5/16-inch lock washers 4
5/16-inch hex nuts 2
* In the antenna kit for the J-type radio, the waveguide transition is attached to the feed horn at the factory, so
these parts are factory installed.