The Bel/Cinch Omega product series features connectors qualified to the MIL-C-26500 specification, with expansions to include qualifications for numerous Boeing BACC45/BACC63 connector specifications. These connectors utilize the MIL-C-26500 mating interface and are designed for high performance, offering attributes such as shielding, environmental sealing, fluid resistance, and vibration resistance. Applications span networking, telecommunications, computing, military, aerospace, transportation, and broadcasting industries, as well as automotive, medical, and consumer electronics markets. Specific models like the CN0942/CN0944 are designed for custom board mount, flex circuit, and soldered wire applications, meeting MIL-C-26500 electrical and mechanical requirements.
| Feature | Specification |
|---|---|
| Environmental Class | R = Meets MIL-C-26500 (USAF) |
| Power Contact Sizes | 20, 16, and 12 |
| Coax Contacts | Size 12 and 8 |
| Contact Release | Crimp - front release |
| Optional Fixed Contacts | PC termination |
| Coupling Styles | Bayonet and threaded |
| Operating Temperature | +200C / 392F to -55C / -65F |
| Ozone Resistance | 0.015% by volume |
| Temperature Life | Internal 238C for 1,000 hours |
| Moisture Resistance | 1,000 megohms minimum / MIL-STD-202, Method 106 |
| Thermal Shock | -55C (-67F) to 260C (500F) |
| Dielectric Strength | 1,500 volts VAC RMS |
| Current Rating (Test) | Size 20: 7.5 Amps D.C. Size 16: 13.0 Amps D.C. Size 12: 23.0 Amps D.C. |
| Insulation Resistance | 5,000 megohms minimum |
| Vibration Resistance | Std - 20 gs; 12 hours (Sinusoidal) MMB / Self-lock - 39.6 gs RMS, 48 hours (Random) 50 gs |
| Contact Retention | Size 20: 20 lb minimum Size 16: 25 lb minimum Size 12: 30 lb minimum |
| Durability | Threaded: 200 mating cycles Bayonet: 500 mating cycles |
| Part Numbering System (Example: C48 Series) | C48 - Series Designation - Coupling Style - Shell Style - Environmental Class - Shell Size - Alternate Shell Positions - Contact Style - Insert Arrangements - Order Code |
| Military Stand Part Numbers | MS24264 (Square-flange receptacle) MS24265 (Single-hole mounting receptacle) MS24266 (Straight plug) |
| Shell Keying (Alternate Positions) | Positions 6, 7, 8, 9, 10, Y |
| CN0915 Series Modification | A = Bayonet coupling B = Threaded coupling |
| CN0942/CN0944 Series Modification | B = Square-flange mount bayonet coupled C = Square-flange mount thread coupled D = Single-hole mount bayonet coupled E = Single-hole mount thread coupled |
| CN0942 Series Termination Designator (Fluorosilicone Inserts) | 01 (P&S), 02 (X&Y), 03 (P&S), 04 (X&Y), 06 (T&W) |
| CN0944 Series Termination Designator (Neoprene Inserts) | 01 (B), 02 (C), 03 (B), 04 (C), 06 (W) |
| Cable Support Assembly Dimensions (Example: Shell Size 8) | A Max: 0.606 in (15.393 mm) B Max: 0.935 in (23.749 mm) X I.D. Max: 0.186 in (4.725 mm) C Th'D P Max: 0.437-28 Overall Length: 0.789 in (20.042 mm) |
| Contacts (Example: Size 12) | Cinch Part Number: C48-1226-02 MS Part Number: M39029/31-229 (Pin) / M39029/32-248 (Socket) Boeing Part Number: BACC47CN2S (Pin) / BACC47CP2S (Socket) Wire Size AWG: 12 Max Current Rating: 23 Amps D.C. |
| CN0966 Series Modification | A = Ungrounded B = Grounded (conductive) |
| CN0967 Series Modification | C = Square-flange mount G = Square-flange with clinch nuts |
| CN1020 Series Modification | A = Standard plug |
| CN1021 Series Modification | A = Square-flange mount C = Square-flange with clinch nuts |
| CN909A Series Class | (Dash) = Anodized aluminum E = Cadmium/nickel-plated aluminum N = Nickel-plated aluminum |
| Mounting Panel Data (Example: Size 8, Square-Flange) | M Min: 0.620 in (15.748 mm) N Min: 0.447 in (11.354 mm) G Max: 0.605 in (15.638 mm) H Max: 0.635 in (16.129 mm) K Max: 0.594 in (15.088 mm) |
| Recommended Minimum Torque for Jam Nut Mounting | Size 8: 28 in/lb Size 10: 36 in/lb Size 12: 56 in/lb Size 14: 64.5 in/lb Size 16: 69 in/lb Size 18: 81 in/lb Size 20: 102 in/lb Size 22: 122.5 in/lb Size 24: 144 in/lb Size 28: 144 in/lb |
