ProFIT H4X heat shrink tubing is an over-expanded, general purpose, cross-linked, polyolefin tubing with a thin wall that has a four-times expansion ratio. It is developed for a wide range of applications where larger expansions are required. H4X tubing is perfect for repairing harness — eliminating the need to remove connections or large transitions. Also, H4X is flame retardant and compatible with most adhesives to provide a complete environmental seal.
This H4X heat shrink tubing (H4X-4):
- 4-inch diameter
- 16 foot spool
- Colored black
Features:
- Meets SAE-AMS-DTL-23053/5, Class 1 Over-expanded specifications
- Shrink ratio 4:1
- Shrink temperature of 250°F
Product Codes | |
|---|---|
| Mfr Part No: | H4X-#4 |
| SCHEDULE B CODE: | 3902.30.0000 |
Minimum Expanded I.D.: 4 in (101.60 mm)Maximum Recover I.D.: 1.050 in (26.67 mm)Recovered wall thickness: 0.045 in (0.14 mm)Operating Temperature: -67°F to 275°F (-55°C to 135°C)Shrink Ratio: 4:1Shrink temperature: 250°F (121°C)Recommended Heat Gun: 500°F (260°C)
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: H4X-#4
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Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
