MIL-DTL-38999 Series I and II - LJT/JT Connectors
Amphenol Aerospace’s connectors are designed to eliminate mismating and for quick, positive coupling
Amphenol Aerospace's MIL-DTL-38999 Series I and II - LJT/JT connectors were developed to meet the needs of the aerospace industry and provide the impetus for the development of the MIL-C-38999 specifications, which were later superseded by MIL-DTL-38999. These MIL-DTL-38999 connectors meet or exceed the mil-spec requirements and are available in aluminum or stainless steel, as well as several different finish options. Amphenol is also qualified to the MIL-DTL-27599 specification for the Series II connectors.
- Lightweight, space-saving design
- Three-point bayonet lock system for quick, positive coupling
- Five key/keyway design eliminates mismating
- Error-proof alternate positioning is ensured by different key/keyway locations
- EMI shielding (grounding fingers optional)
- Nine shell sizes and a variety of shell styles
- Contact options: size 8, 10, 12, 16, 20, 22M, and 22D crimp, solder, PCB, wire wrap, coax, twinax, triax, thermocouple, fiber optic, and filter
- Fixed solder contacts are available in solder versions as both commercial and military qualified to MIL-DTL-27599
- "Breakaway" lanyard release style provides quick disconnect of the connector plug and receptacle with axial pull on the lanyard (available in LJT plugs)
- Inventory support commonality uses standard MIL-DTL-38999 contacts, insert arrangements, and application tools
- RoHS-compliant product available upon consultation with Amphenol Aerospace Operations
- Harsh environments
- Industrial equipment
- Military
- Ships
- Off-shore
- Subsea
- Planes
- Communications equipment
- Space propulsion systems
- Satellites
MIL-DTL-38999 Series I/LJT Circular Connector Assemblies
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
![]() | ![]() | MS27467T15B35S | CONN PLUG FMALE 37POS GOLD CRIMP | 426 - Immediate | $70.70 | View Details |
![]() | ![]() | MS27468T15B35P | CONN RCPT MALE 37POS GOLD CRIMP | 81 - Immediate | $75.09 | View Details |
![]() | ![]() | MS27467T25F35P | CONN PLUG MALE 128POS GOLD CRIMP | 30 - Immediate | $297.86 | View Details |
![]() | ![]() | MS27467E17B6S | PLUG | 6 - Immediate | $326.61 | View Details |
![]() | ![]() | MS27467T13B35S | PLUG | 15 - Immediate | $213.09 | View Details |
![]() | ![]() | MS27467T11B35S | CONN PLUG FMALE 13POS GOLD CRIMP | 22 - Immediate | $203.91 | View Details |
![]() | ![]() | MS27467T19B35P | CONN PLUG MALE 66POS GOLD CRIMP | 16 - Immediate | $267.81 | View Details |
![]() | ![]() | MS27656T25B35P | CONN RCPT MALE 128POS GOLD CRIMP | 7 - Immediate | $324.61 | View Details |
![]() | ![]() | MS27656T15B35P | CONN RCPT MALE 37POS GOLD CRIMP | 62 - Immediate | $67.79 | View Details |
MIL-DTL-38999 Series II/JT Circular Connector Assemblies
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
![]() | ![]() | MS27484T10A35S | CONN PLUG FMALE 13POS GOLD CRIMP | 38 - Immediate | $49.90 | View Details |
![]() | ![]() | MS27484T16F35S | CONN PLUG FMALE 55POS GOLD CRIMP | 5 - Immediate | $209.40 | View Details |
![]() | ![]() | MS27497T10A35P | CONN RCPT MALE 13POS GOLD CRIMP | 323 - Immediate | $49.17 | View Details |
![]() | ![]() | MS27474T14B35S | CONN RCPT FMALE 37POS GOLD CRIMP | 14 - Immediate | $105.30 | View Details |
![]() | ![]() | JT06RT-16-35P | CONN PLUG MALE 55POS GOLD CRIMP | 24 - Immediate 55 - Marketplace | $133.14 | View Details |
![]() | ![]() | JT01RE18-53S-SR | CONN RCPT FMALE 53POS GOLD CRIMP | 0 - Immediate | See Page for Pricing | View Details |
![]() | ![]() | MS27497T14B35S | CONN RCPT FMALE 37POS GOLD CRIMP | 16 - Immediate | $85.78 | View Details |
![]() | ![]() | MS27473T8F35S | CONN PLUG FMALE 6POS GOLD CRIMP | 37 - Immediate | $136.34 | View Details |
![]() | ![]() | MS27473T10F35S | PLUG | 15 - Immediate | $147.89 | View Details |
![]() | ![]() | MS27484E8F35S | CONN PLUG FMALE 6POS GOLD CRIMP | 0 - Immediate | $88.30 | View Details |





















