Switchcraft M642/2-2 30"- 1/4” military patch cables

The Switchcraft M642/2-2 30" 1/4" military patch cable is a type of audio cable specifically designed for durability and high-quality communication, initially for military applications.

Lot of 9

Here's a breakdown of its features: 

1. Connectors

• Type: 1/4" Longframe TRS (Tip-Ring-Sleeve) plugs, also known as PJ-051R or M642/2-2 according to Reverb.
• Material: True Military Spec Brass Connectors.
• Design: Features a one-piece tip rod and a one-piece sleeve, plug body, assembled for complete continuity of thermoplastic insulation between the tip rod and plug sleeve.
• Durability: An internal interlock mechanism prevents parts from shifting, enhancing robustness. 

2. Cable

• Length: 30"
• Construction: Cloth wire covering for durability.
• Insulation: Thermoplastic insulation, compliant with MIL-P-22985, Type II, Class 1. 

3. Performance & Applications

• Intended Use: Designed for high-quality communication and audio patching applications, especially within patch bays, both vintage brass and modern types.
• Military Specification: Meets MIL-P-642(A) specifications.
• Durability: Engineered for reliable performance in demanding environments, with features like heavy-duty construction and resistance to environmental factors.
• Reliability: The brass plug fingers meet military specifications and are excellent for audio applications.
• Shielding: Features a shielded construction with machined, nickel-plated copper alloy for the body. 

4. Specific details from other listings

• Vintage, at least 40 years old.
• Some listings indicate they are sold in sets of 2 or 4.
• Some variations might have a gray plastic ring on one of the connectors. 

In essence, the Switchcraft M642/2-2 is a robust, reliable, and high-quality patch cable, built to military specifications and suitable for demanding audio applications, especially in patch bays.