| Connector Style | Receptacle - Firewall |
| Connector Type | Circular |
| Contact Material | Copper Alloy |
| Contact Mating Life, Operating Voltage AC V RMS Max | 500 |
| Contact Plating | 50 microinches Gold Plate |
| Contact Size | 4#8 (Quadrax) |
| Contact Style | Socket |
| Contacts Supplied | No |
| Contacts, # of | 4 |
| Crimp Wire Gauge | Quadrax |
| Export Class | EAR / EAR99 |
| Grommet & Seals Material | Fluorosilicone |
| Insert Arrangement | 21-75 |
| Insert Material | Hard Dielectric |
| Insert Rotation/Keying | N |
| Mounting Type | Wall - Rear Mount - Thru Holes |
| Operating Temperature ?F (?C) | -85 to +392 (-65 to +200) |
| RoHS, Shielding | Yes |
| Sealing | Meets IP67 |
| Shell Color | Silver |
| Shell Material | Stainless Steel |
| Shell Plating | Passivated |
| Specification | MIL-DTL-38999 |
| Termination Method | Crimp |
| Weight (g), Weight (lbs) | Unknown |