Description
M23053/5-105-4 Tubing, Heat-Shrinkable, Thin wall, Fluid Resistant, 3/16″ 125 °C, Yellow — BOLTON SKU 53814.
About the M23053/5-105-4 Heat Shrink Tubing
MIL-DTL-23053/5 covers flexible, crosslinked polyolefin heat-shrinkable insulation sleeving; the part number is built as class digit, size identifier and colour code. M23053/5-105-4 is a Class 1 part — the flame-resistant class, furnished in colours — in size identifier 05 and colour code 4, yellow. Size 05 is the 3/16 in size, with a minimum as-supplied inside diameter of .187 in (4.75 mm) recovering to a maximum .093 in (2.36 mm). It carries a lighter recovered wall than the larger sizes at .020 ± .003 in, which is the wall used across the 3/32 in to 3/16 in sizes in this sheet. Continuous operating range is −55 °C to +135 °C, and the specification requires no cracking after low-temperature flexibility testing at −55 °C along with fluid resistance, corrosion and fungus-resistance criteria.
Key specifications
| Type | Heat-shrinkable electrical insulation sleeving |
|---|---|
| Specification | MIL-DTL-23053/5 (M23053/5); polyolefin, flexible, crosslinked |
| Class | Class 1 — flame resistant |
| Nominal size | 3/16 in |
| As-supplied ID, minimum | .187 in (4.75 mm) |
| ID after unrestricted shrinkage, maximum | .093 in (2.36 mm) |
| Recovered wall thickness | .020 ± .003 in (.508 ± .076 mm) |
| Continuous operating temperature | −55 °C to +135 °C (Classes 1 and 2) |
| Colour | Yellow (colour code 4) |
| Tensile strength, minimum | 1,500 psi (10.3 MPa) |
| Ultimate elongation, minimum | 200 % |
| Dielectric strength, minimum | 500 V/mil (19.7 kV/mm) |
Typical applications
Recovering to .093 in, the 3/16 in size is a small-gauge sleeve: it is used over individual conductors, pin and socket contacts, small crimps and component leads where a quarter-inch sleeve would recover loose. The thinner .020 in wall keeps the finished diameter down, which matters inside connector back-shells and tightly packed bundles. In yellow, it is typically applied as an identification or warning sleeve on individual wires during harness build, with Class 1 flame resistance making it suitable for enclosed avionics and equipment bays.
Supplied by BOLTON Technical Equipment Supplies against request for quotation. Add this item to your RFQ basket to request pricing, lead time and documentation requirements (e.g. CoC, datasheets or test reports where applicable).
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