| Items |
 MJ-101 Microphone Jack |
 MJ-102 Microphone Locking Jack |
 MJ-103 Microphone Locking Jack |
 MJ-112 Microphone Jack |
 MJ-113 Microphone Jack |
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| Conductors | 2 | 2 | 3 | 2 | 3 | |||||
| Overall Width | .328 in | .328 in | .469 in | .469 in | ||||||
| Overall Height | .469 in | .469 in | .422 in | .953 in | .422 in | |||||
| Overall Length | .719 in | .797 in | .922 in | .969 in | .922 in | |||||
| Contact Material | Nickel Plated Beryllium Copper | |||||||||
| Body Material | Nylon | Nylon | Nylon | ABS | Nylon | |||||
| Alternate P/N | U-172/U | U179A/U | ||||||||
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