Description
M23053/5-103-4 Heat Shrink Tubing, Yellow, Single Wall Type, 2.4 Expanded Inside Diameter — BOLTON SKU 61139.
About the M23053/5-103-4 Heat Shrink Tubing
M23053/5-103-4 is a heat-shrinkable insulation sleeving qualified to MIL-DTL-23053/5, the military specification covering flexible, crosslinked polyolefin heat-shrink tubing. The part number decodes as follows: the -103 size code corresponds to a 3/32 inch (2.4 mm) expanded inside diameter — matching the 2.4 figure in the catalogue name — and the -4 suffix is the colour code for yellow. The tubing is a single-wall type with a 2:1 shrink ratio, recovering to half its supplied diameter when heated so that it grips wires, splices and component bodies tightly. Because the specification controls dimensions, materials and performance, tubing supplied against this designation is interchangeable between qualified manufacturers, and coloured grades such as yellow are widely used for circuit identification and colour-coding within harnesses as well as for basic insulation and strain relief.
Key specifications
| Specification | MIL-DTL-23053/5 |
|---|---|
| Material | Flexible, crosslinked polyolefin |
| Construction | Single wall |
| Expanded inside diameter | 3/32 in (2.4 mm), size code 103 |
| Shrink ratio | 2:1 |
| Colour | Yellow (colour code 4) |
Typical applications
Small-bore MIL-DTL-23053/5 tubing is used in aerospace and defence wire harnessing for insulating individual conductors, covering solder joints and terminations, and colour-coding circuits. It is an everyday consumable in harness shops, avionics benches and MRO facilities.
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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