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The 3M 7000133546 is a thin-wall heat shrink tubing from the FP-301 series, supplied in a 48-inch length at 3/16-inch diameter in black. FP-301 is a general-purpose polyolefin heat shrink tubing designed to provide electrical insulation, environmental sealing, and mechanical protection for wire, cable, and component terminations. The tubing shrinks uniformly when exposed to heat from a heat gun or oven, conforming tightly to the underlying conductor or connector body. This package contains 25 pieces and weighs 0.04 pounds. Electricians, harness builders, and electronics technicians use FP-301 tubing in industrial wiring, panel builds, and field repair applications.
FP-301 thin-wall tubing is suited for a wide range of industrial and military-grade wiring applications where reliable insulation and strain relief are required. Typical uses include bundling and color-coding wire harnesses, protecting solder joints and splice connections, insulating terminal ends, and covering exposed conductors in control panels, junction boxes, and equipment enclosures. The black color provides UV resistance and a clean finished appearance in exposed installations. This product ships in a 25-piece header pack, making it practical for shop stock or field service kits.
Designed as a general-purpose thin-wall heat shrink sleeve compatible with small-gauge wire, cable terminations, solder splices, and component leads requiring 3/16-inch diameter coverage in industrial and military wiring assemblies.
Installation is performed by electricians, harness technicians, or qualified service personnel using a calibrated heat gun or convection oven. De-energize and isolate any circuit before applying heat shrink tubing to live conductors. Apply heat evenly along the length of the tubing to ensure uniform shrinkage without scorching the tubing or damaging adjacent insulation. Follow applicable NEC guidelines and any governing military or industrial wiring standards for the specific application.
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