MIL-C-22992 Class C, J & R Type
Standard Cylinderical Connectors
· Quick disconnect double stub threads coupling for posistive mating
· Various rugged shell styles
· Durable, filed-proven design
· 5 key polarization
· Military ground vehicles/Heavy equipment
· Geophysical
· Portable lighting systemst
· Power distribution systems
· Contact Resistance
| Contact Size |
Test Current
(Amperes) DC |
Potential Drop (millivolts, max) |
| Initial |
After Corrosion |
| 16 |
20 |
25 |
35 |
| 12 |
35 |
20 |
30 |
| 8 |
60 |
12 |
25 |
| 4 |
100 |
10 |
20 |
| 0 |
200 |
10 |
20 |
· Dielectric withstanding Voltage
| Service Rating |
Sea level test voltage min.
(VAC rms, 60 Hz) |
| Instr. |
1000 |
| A |
2000 |
| D |
2800 |
| E |
3500 |
| B |
4500 |
| C |
7000 |
· Insulation Resistance
5000 Megohm minimum at 500 VDC
· Contact Retention Loads
| Contact Size
|
Min. axial load |
| 16 |
10 lbs (4.444 kg) |
| 12 |
15 lbs (6.665 kg) |
| 8 |
20 lbs (8.887 kg) |
| 4 |
25 lbs (11.109 kg) |
| 0 |
35 lbs (15.553 kg) |
· Durability
100 complete mating/unmating cycles
· Vibration
10 to 55 Hz, 0.06 inch total excursion in 1 minute cycles for 6 hours,
55 to 2000 Hz, 10G peak amplitude sweep
· High Impact
Nine hammer blows from 1, 3 and 5 feet, three each in three axes on mounting panel
·Operating Temperature
-67˚F (-55˚C) to +257˚F (+125˚C)
· Thermal Shock
Five complete one hour temperature cycles of ?55°C to +125°C
· Moisture Resistance (Cable mounted connectors)
Ten complete 24 hour cycles of +25°C to +65°C temperature at 90% to 98% humidity
· Salt Spray (Corrosion)
48 hour exposure to atomized 5% saline solution at +35°C
· Fluid Immersion
20 hours immersion in hydraulic fluid and lubricating oil
· Water Immersion
6 feet (1829 mm) of water for 4 hours minimum
MIL-C-22992 Class L Type
Standard Cylinderical Connectors
· Quick mating, vibration resistant threaded coupling
· Easily maintainable double stub thread
· 5 key polarization
· Heavy duty, largest size cylindrical
· 4 shell styles with 7 insert patterns that facilitate large conductors
· Current ranges 40 to 200 amps, conductor sizes 6 to 4/0
· Direct current or single/three phase, 60/400 Hz alternating current
· Automatic grounding for safety
· Environmental resistant
· Military ground vehicles/Mobile facilities
· Geophysical/Heavy equipment
· Power distribution systems
· Contact Resistance
| Contact Size |
Test Current
(Amperes) DC |
Potential Drop (millivolts, max) |
| Initial |
After Corrosion |
| 6 |
40 |
8 |
18 |
| 4 |
60 |
8 |
18 |
| 1/0 |
100 |
9 |
19 |
| 2/0 |
150 |
10 |
20 |
| 4/0 |
200 |
11 |
22 |
· Connector Voltage, Phase, Wire and Frequency
| Voltage |
Phase 0 |
No Wire |
60 Hz |
400 Hz |
| 28 VDC |
- |
2 |
N/A |
N/A |
| 120 AC |
1 |
2 |
X |
X |
| 240 AC |
1 |
2 |
X |
X |
| 120/240 AC |
1 |
3 |
X |
N/A |
| 120/208 AC |
3 |
4 |
X |
X |
| 240/416 AC |
3 |
4 |
X |
X |
| 277/480 AC |
3 |
4 |
X |
N/A |
· Insulation Resistance
5000 Megohm minimum at 500 VDC
· Contact Retention Loads
| Contact Size |
Min. axial load |
| 6 |
20 lbs (8.887 kg) |
| 4 |
25 lbs (11.109 kg) |
| 1/0 |
35 lbs (15.553 kg) |
| 2/0 |
35 lbs (15.553 kg) |
| 4/0 |
35 lbs (15.553 kg) |
· Durability
100 complete mating/unmating cycles
· Vibration
10 to 55 Hz, .06 inch total excursion in 1 minute cycles for 6 hours, 55 to 2000 Hz, 10G peak amplitude sweep
· High Impact Shock
Nine hammer blows from 1, 3 and 5 feet, three each in three axes on mounting panel
· Operating Temperature
-67˚F (-55˚C) to +257˚F (+125˚C)
· Thermal Shock
Five complete one hour temperature cycles of -55°C to +125°C
· Moisture Resistance (Cable mounted connectors)
Ten complete 24 hour cycles of +25°C to +65°C temperature at 90% to 98% humidity
· Salt Spray (Corrosion)
48 hour exposure to atomized 5% saline solution at +35°C
· Heat Rise
Maximum rated DC current for four hours at +25°C in still air
· Fluid Immersion
20 hours immersion in hydraulic fluid and lubricating oil
· Water Immersion
6 feet (1829 mm) of water for 4 hours minimum
