| PartNumber | D38999/24FD18PALC | D38999/24FD18PB | D38999/24FD18PA |
| Description | Circular MIL Spec Connector Connectors, Interconnects - CONN HSG RCPT 18POS JAM NUT PINS - Circular - Housings | Circular MIL Spec Connector 18P SZ 15 PANEL MOUNT PIN | Circular MIL Spec Connector 18P SIZE 15 JAM NUT RECEPTACLE PIN |
| Manufacturer | Amphenol | Amphenol | Amphenol |
| Product Category | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Number of Positions | 18 Position | 18 Position | 18 Position |
| Insert Arrangement | 15-18 | 15 - 18 | 15 - 18 |
| Contact Gender | Without Pin Contacts | Pin (Male) | Pin (Male) |
| MIL Type | MIL-DTL-38999 III | MIL-DTL-38999 III | MIL-DTL-38999 III |
| Product | Receptacles | Receptacles | Receptacles |
| Shell Size | 15 | 15 | 15 |
| Shell Style | Jam Nut | Jam Nut | Jam Nut |
| Mounting Style | Panel | Panel | Panel |
| Termination Style | - | Crimp | Crimp |
| Contact Plating | - | Gold | Gold |
| Contact Material | - | Copper Alloy | Copper Alloy |
| Series | D38999 III | D38999 III | D38999 III |
| Packaging | Bulk | - | - |
| Mounting Angle | Straight | Straight | Straight |
| Brand | Amphenol Aerospace | Amphenol Aerospace | Amphenol Aerospace |
| Shell Plating | Electroless Nickel | Nickel | Nickel |
| Mating Style | Self Locking | Self Locking | Self Locking |
| Product Type | Circular MIL Spec Connector | Circular MIL Spec Connector | Circular MIL Spec Connector |
| Shell Material | Aluminum | Aluminum | Aluminum |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |
| Tradename | 38999 | 38999 | 38999 |
| RoHS | - | N | Y |
| Current Rating | - | 7.5 A | 7.5 A |
| Qualification | - | EREL | EREL |
| Part # Aliases | - | 91-552064-18I | 91-552064-18G |