The GJB599B MIL-DTL-38999 Series III Circular Electrical Connector is a rugged, EMI shielded, high-density connector designed for signal connection in harsh environments. It features triple-start threaded quick coupling, anti-loosening locking, removable crimp contacts, optical fiber contact compatibility, coaxial contact options, and multiple shell materials. With 500 mating cycles, 300g shock resistance, and high vibration performance, it is widely used in aerospace, defense electronics, communication systems, industrial control equipment, and rugged signal interconnection applications.
| Contact Specifications | Working diameter mm | Contact resistance m Ω | Rated current A |
|---|---|---|---|
| 22D | Φ0.76 | ≤12 | 5 |
| 20# | Φ1.00 | ≤5 | 7.5 |
| 16# | Φ1.60 | ≤2.5 | 13 |
| 12# | Φ2.40 | ≤1.5 | 23 |
| 10# | Φ3.15 | ≤1.0 | 40 |
Insulation resistance: ≥ 5000M Ω (500VDC)
| Shell Size | MS Shel Size | A max | B max | C max | Thread D | E | F | G | H | J | d1 min | d2 min |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 9 | A | 20.9 | 10.8 | 2.5 | M12*1.0-6g | 23.8 | 18.26 | 15.09 | 3.25 | 5.49 | 16.66 | 13.11 |
| 11 | B | 20.9 | 10.8 | 2.5 | M15*1.0-6g | 26.2 | 20.62 | 18.26 | 3.25 | 4.93 | 20.22 | 15.88 |
| 13 | C | 20.9 | 10.8 | 2.5 | M18*1.0-6g | 28.6 | 23.01 | 20.62 | 3.25 | 4.93 | 23.42 | 19.05 |
| 15 | D | 20.9 | 10.8 | 2.5 | M22*1.0-6g | 31.0 | 24.61 | 23.01 | 3.25 | 4.39 | 26.59 | 23.01 |
| 17 | E | 20.9 | 10.8 | 2.5 | M25*1.0-6g | 33.3 | 26.97 | 24.61 | 3.25 | 4.93 | 30.96 | 25.81 |
| 19 | F | 20.9 | 10.8 | 2.5 | M28*1.0-6g | 36.5 | 29.36 | 26.97 | 3.25 | 4.93 | 32.94 | 28.98 |
| 21 | G | 20.1 | 11.5 | 3.2 | M31*1.0-6g | 39.7 | 31.75 | 29.36 | 3.25 | 4.93 | 36.12 | 32.16 |
| 23 | H | 20.1 | 11.5 | 3.2 | M34*1.0-6g | 42.9 | 34.93 | 31.75 | 3.91 | 6.15 | 39.29 | 34.93 |
| 25 | J | 20.1 | 11.5 | 3.2 | M37*1.0-6g | 46.0 | 38.10 | 34.93 | 3.91 | 6.15 | 42.47 | 37.69 |