Overview
The Amphenol MS3101A 28-12S-KR is a MIL-standard circular connector plug engineered for demanding aerospace, military, and industrial environments. Manufactured to MIL-DTL-5015 specifications, this MS3101A 28-12S-KR connector plug provides robust electrical connections with proven reliability in harsh operating conditions. The assembly includes the MS3057-16A threaded coupling for secure mating and unmating cycles. The connector features a solder cup termination for permanent wire attachment, making it ideal for fixed installations requiring dependable, corrosion-resistant connections.
Key Features
- MIL-DTL-5015 specification compliance for military and aerospace applications
- Circular connector, Size 28 shell with 12 contact positions
- 3/4-20 threaded coupling for secure connection integrity
- Solder cup termination for permanent, solderable wire attachment
- Silver-plated copper contacts for superior conductivity and corrosion resistance
- Straight plug orientation with 5/64″ (1.98mm) pin depth
Technical Specifications
- Maximum Operating Temperature: -55°C to +125°C
- Voltage Rating: 1750 VDC / 1250 VAC maximum
- Contact Material: Copper with silver plating
- Termination Method: Solder cup
- Connector Type: Circular plug, straight body
- Shell Size: 28 (12 position)
- Coupling Thread: 3/4-20
- Contact Plating: Silver
Typical Applications
- Aerospace and avionics equipment interconnection
- Military ground support and field equipment
- Industrial control systems requiring MIL-spec connectors
- Environmental monitoring and sensor arrays
- Test and measurement instrumentation
- Offshore and subsea platform electrical systems
Compatibility & Replacements
Compatible With
- MIL-DTL-5015 standard compliant systems
- Aerospace and military equipment requiring mil-spec circular connectors
- Industrial control cabinet wiring
- Harsh environment electrical interconnection applications
- Legacy aerospace and military platforms utilizing MS3101A series connectors
Replaces / Drop-In Replacement For
- OEM MS3101A 28-12S-KR assemblies
- Original equipment manufacturer equivalent connector plugs with identical pin configuration
Works With
- MS3057-16A and similar Amphenol threaded couplings
- MS3102A 28-12S-K receptacles (mating connector)
- Standard MIL-DTL-5015 solder cup contact tools and crimpers
- Aerospace wiring and harness integration workflows
