Installation guide

Replaceable Parts
Hardware and Other Instrument Parts
3-84
Hardware of a Disassembled
AT1 High-Power Mechanical Attenuator (Option UNB)
on Option 506 Only
Figure 3-37 Hardware of a Disassembled
AT1 High-Power Mechanical Attenuator (Option UNB)
on Option 506
Table 3-32
Item No. Description Qty Part
Number
1 bracket for AT1 High-Power Mechanical Attenuator (Option UNB) 1 E4400-00523
2 screw-machine (pan head screw used to attach the AT1 Mechanical
Attenuator bracket to chassis)
2 0515-1227
3 screw-machine (flathead screw to hold the AT1 Mechanical Attenuator to the
AT1 Mechanical Attenuator bracket)
2 0515-0664