Subsea Acrylic End-Cap
A CNC-machined, polished transparent acrylic end-cap that seals subsea enclosure tubes while allowing internal visibility. Intended for shallow-water, short-term applications rather than frequent disassembly, since repeated tightening can cause indentation or cracking. Available blank or pre-drilled, with custom hole layouts via DXF submission.
Key specifications
- Material
- Transparent polished acrylic
- Depth Rating
- 300 m (85mm) / 200 m (115mm) / 50 m (165mm)
- Available Diameters
- 85 mm, 115 mm, 165 mm
- Thickness
- 8 mm (all sizes)
Before you order: Match the series and diameter to your tube, and count the cable-entry holes you need.
- Part number
- 15 options, see prices
- Type
- End caps, domes and flanges
- Manufacturer's range
- Blu-Sub subsea enclosures and housing parts
Includes GST and delivery in India
Imported to order. Lead time confirmed with your quotation.
Request a quotation from your cart. No payment is required to submit.
Specifications
| Product type | End cap |
| Depth Rating | 300 m (85mm) / 200 m (115mm) / 50 m (165mm) |
| Material | Transparent polished acrylic |
| Weight | 46-195 g depending on size |
| Available Diameters | 85 mm, 115 mm, 165 mm |
| Thickness | 8 mm (all sizes) |
| Holes | 85 mm: blank, 6×8.1 mm, 7×10.1 mm, or 4×8.1 + 4×10.1 mm; 115 mm: blank or 5/10/14×10.1 mm; 165 mm: blank or 8/16/24×10.1 mm.Penetrator holes vary by variant and are separate from the retaining-screw holes. Custom layouts need a drawing. |
Options and prices
Prices are in rupees. Includes GST and delivery in India. Delivery and returns
Documentation
Checked against the manufacturer's published figures: blu-sub.com/…/acrylic-end-cap (opens in a new tab) (read 26 September 2026).
Accessories and compatibility
Compatible accessories
Named by the manufacturer for this part.
Used for
- Transparent sealing end-cap for viewing into subsea enclosures in shallow-water, short-duration deployments
The manufacturer lists: Subsea Aluminum Flange (required); Subsea Enclosure Acrylic/Aluminum Tubes; M10/M8 cable penetrators and sensors
Questions buyers ask
What is its depth rating?
300 m (85mm) / 200 m (115mm) / 50 m (165mm).
What is it made of?
Transparent polished acrylic.
Where is the datasheet?
The manufacturer's own page for this part is linked under Documentation on this page; its datasheet and downloads, where the manufacturer publishes them, are there. We also send the datasheet and any drawings with your quotation.
Can I return it?
Yes, within 30 days of delivery, if it is unused and in its original packaging. You pay the return shipping, and we refund 90% of the price after checking the part.
Compare with other end caps, domes and flanges
The manufacturers’ figures for this part and the ones most like it, on the rows they publish. — Not specified
| Product | Depth Rating | Material | Weight | Holes |
|---|---|---|---|---|
| Subsea Acrylic End-Cap this page | 300 m (85mm) / 200 m (115mm) / 50 m (165mm) | Transparent polished acrylic | 46-195 g depending on size | 85 mm: blank, 6×8.1 mm, 7×10.1 mm, or 4×8.1 + 4×10.1 mm; 115 mm: blank or 5/10/14×10.1 mm; 165 mm: blank or 8/16/24×10.1 mm. |
| Subsea Aluminum End-Cap | 1,000 m / 3,281 ft | Black anodized aluminum | 79-340 g depending on size | Not specified |
| Subsea Optical Dome End-Cap | 1,000 m / 3,280 ft | Clear PC dome; black anodized aluminum retaining ring | 92 g dome / 160 g with ring | No penetrator holes; retaining ring has 8 × 3.1 mm screw holes on a 106.7 mm circle. |
| Subsea Optical Glass Flange & End-Cap (115 mm) | 300 m / 984 ft | Black anodized aluminum + tempered borosilicate glass | 559 g | Not specified |
| Subsea Polymer Flange & End-Cap | 30 m / 98 ft (sealed, tested) | Glass-fiber-filled nylon | 161 g (188 g shipped) | Blank end face; 30 m pressure test applies to undrilled configuration. |
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Subsea Acrylic End-Cap
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