HW3X polyolefin heat shrink is self-sealing and offers excellent protection under adverse conditions. The standard HW3X heat shrink is provided with sealant for waterproofing and protection in underwater and underground conditions. HW3X tubing sealant can be made lead, steel, aluminum, copper, and all standard plastic and elastomeric insulating materials.
This HW3X heat shrink tubing (Alternate Part# HW3X40S48B):
- 4-inch diameter
- Includes sealant
- 48-inches in length
Features:
- Polymer tubing has excellent insulating, abrasion-resisting, and strain-relief properties
- Seals over lead, steel, aluminum, copper and all standard plastic and elastomeric insulating
- available with or without sealant
- Applicable Specifications: SAE-AMS-DTL-23053/15, Class 1*
- Operating Temperature Range: -67°F (-55°C) to 194°F (90°C)
- Shrink Ratio: 3 to 1
- Shrink Temperature: 250°F (121°C)
- Recommended Heat Gun: 500°F (260°C)
- Standard Colors: Black
Product Codes | |
|---|---|
| Mfr Part No: | HW3X-40-S-48 BLACK |
| SCHEDULE B CODE: | 3902.30.0000 |
Minimum Expanded I.D.: 4.000 in (101.60 mm)Maximum Recovered I.D.: 1.750 in (44.45 mm)Recovered Wall Thickness: 0.155 in (3.94 mm)
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: HW3X-40-S-48 BLACK
Aircraft Fitment Finder
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.
