Description
M23053/5-109-4 Tubing, Heat-Shrinkable, Thin wall, Fluid Resistant, 1/4″ 125 °C, Yellow — BOLTON SKU 54262.
About the M23053/5-109-4 Heat Shrink Tubing
M23053/5-109-4 belongs to the MIL-DTL-23053/5 family of heat-shrinkable insulation sleeving: flexible crosslinked polyolefin tubing with a nominal 2:1 shrink ratio. Read against published M23053/5 cross-reference charts, the dash-100 series identifies Class 1 flame-retardant material, dash number 109 identifies the 3/4 in nominal supplied size, and the trailing colour designator 4 identifies yellow — which agrees with the colour in the item name. The size shown below follows the part number; the 1/4 in figure that appears in the catalogue name does not agree with the 109 size designator, so BOLTON will confirm the size supplied against your enquiry rather than publish a disputed dimension. The item is catalogued as thin wall and fluid resistant with a 125 °C rating. Sleeving of this family insulates, bundles and colour-identifies wiring, splices and terminations wherever a controlled-shrink, non-adhesive-lined sleeve is called for.
Key specifications
| Type | Heat-shrinkable insulation sleeving, thin wall |
|---|---|
| Specification | MIL-DTL-23053/5 (M23053/5) |
| Material | Flexible crosslinked polyolefin |
| Class | Class 1, flame retardant (dash-100 series) |
| Size designator | Dash 109 — 3/4 in nominal supplied size |
| Shrink ratio | 2:1 |
| Colour | Yellow (colour designator 4) |
| Temperature rating | 125 °C (per item designation) |
| Fluid resistance | Fluid resistant (per item designation) |
Typical applications
At the 3/4 in size this sleeving covers larger conductor bundles, connector backshell transitions and multi-wire breakouts rather than single conductors. Yellow is conventionally reserved for circuit identification and cautionary marking, so this size and colour together are used to flag a specific loom inside a dense harness run. It is a standing consumable in airframe and UAV harness build, and in MRO rework where a whole bundle has to be re-sleeved after repair.
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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