ONTS-BS Series (GOST ONTs-BS) Bayonet Circular Low-Frequency Connector Product Overview Target Model: ONTS-BS-1-19/18-V1-1-V The ONTS-BS (original Russian model ONTs-BS) is a compact, bayonet-locking circular low-frequency aviation connector manufactured in Russia. It is widely used with Russian military equipment, measurement and control instruments, vehicle electrical systems, and communication devices for AC/DC and pulse signal interconnection. Featuring a rapid bayonet coupling mechanism and multiple shell keyways to prevent mis-mating, the series includes two main types: flange panel receptacles and straight cable plugs. Model Code Breakdown: ONTS-BS-1-19/18-V1-1-V 1. ONTS-BS: Series designation for bayonet-coupled circular low-frequency connectors. 2. 1: Contact plating: 1 = Silver-plated; 2 = Gold-plated. 3. 19: Number of contacts. 4. 18: Shell size specification (Shell sizes: 10, 12, 14, 18, 22, 27). 5. V: Structure type. V = Panel Receptacle; R = Cable Plug. 6. 1: Structural code: 1 = Flange panel version without tail cover; 12 = Straight cable version with plastic strain relief. 7. 1: Keyway coding (1~20) for multi-position anti-mating protection. 8. V: All-weather rated version. Core Electrical & Mechanical Specifications • Contact Diameter: Φ1.0mm, solder termination • Rated Voltage: 250V AC/DC • Current per Contact: 2.1A ~ 3.7A (varies by shell contact count) • Operating Temperature: -60℃ ~ +85℃ • Mechanical Life: 250 mating cycles • Materials: Anodized aluminum alloy shell; Bakelite insulating base • Vibration and shock resistance meet Russian military standards; suitable for harsh automotive and airborne environments ONTS-BS-1-4/10-V1-1-V ONTS-BS-2-4/10-V1-2-V ONTS-BS-1-4/10-R12-1-V ONTS-BS-2-4/10-R12-3-V ONTS-BS-1-7/12-V1-1-V ONTS-BS-2-7/12-V1-4-V ONTS-BS-1-7/12-R12-2-V ONTS-BS-2-7/12-R12-1-V ONTS-BS-1-10/14-V1-1-V ONTS-BS-2-10/14-V1-5-V ONTS-BS-1-10/14-R12-3-V ONTS-BS-2-10/14-R12-2-V ONTS-BS-1-19/18-V1-1-V ONTS-BS-2-19/18-V1-6-V ONTS-BS-1-19/18-R12-4-V ONTS-BS-2-19/18-R12-1-V ONTS-BS-1-32/22-V1-2-V ONTS-BS-2-32/22-V1-3-V ONTS-BS-1-32/22-R12-5-V ONTS-BS-2-32/22-R12-2-V ONTS-BS-1-50/27-V1-1-V ONTS-BS-2-50/27-V1-7-V ONTS-BS-1-50/27-R12-3-V ONTS-BS-2-50/27-R12-4-V ONTS-BS-1-4/10-V1-5-V ONTS-BS-2-7/12-V1-2-V ONTS-BS-1-10/14-V1-3-V ONTS-BS-2-19/18-V1-2-V ONTS-BS-1-32/22-V1-6-V ONTS-BS-2-50/27-V1-4-V ONTS-BS-1-4/10-R12-4-V ONTS-BS-2-7/12-R12-5-V ONTS-BS-1-10/14-R12-1-V ONTS-BS-2-19/18-R12-6-V ONTS-BS-1-32/22-R12-1-V ONTS-BS-2-50/27-R12-7-V ONTS-BS-1-7/12-V1-6-V ONTS-BS-2-10/14-V1-4-V ONTS-BS-1-19/18-V1-3-V ONTS-BS-2-32/22-V1-1-V ONTS-BS-1-50/27-V1-5-V ONTS-BS-2-4/10-R12-5-V ONTS-BS-1-7/12-R12-3-V ONTS-BS-2-10/14-R12-6-V ONTS-BS-1-19/18-R12-2-V ONTS-BS-2-32/22-R12-4-V ONTS-BS-1-50/27-R12-1-V ONTS-BS-2-4/10-V1-1-V ONTS-BS-1-32/22-V1-4-V ONTS-BS-2-19/18-V1-5-V