Deep-Sea Cable Penetrator
Precision-machined threaded bulkhead fittings that create a watertight seal where electrical cables pass through subsea enclosure walls or end-caps. Offered in five thread sizes for different cable diameters, each unit ships with a bulkhead, o-ring, and installation nut, and is intended to be sealed with a marine epoxy for a permanent watertight feedthrough.
Key specifications
- Depth Rating
- Up to 1,000 m (3,281 ft)
- Material
- 6061 aluminum, black anodized
Before you order: Match the bulkhead thread to the hole in your end cap and the seal size to your cable's outer diameter.
- Part number
- 5 options, see prices
- Type
- Cable penetrators
- Manufacturer's range
- Blu-Sub subsea connectors, penetrators and cable
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 | Cable penetrator |
| Included | 1 bulkhead, 1 o-ring, 1 installation nut |
| Depth Rating | Up to 1,000 m (3,281 ft) |
| Material | 6061 aluminum, black anodized |
| Available Sizes | M6x1, M8x1, M10x1, M14x1.5, M16x1.5 |
| Air Temperature | -25C to 60C |
| Water Temperature | -4C to 40C |
| O-ring Material | FKM75 brown fluorine rubber |
| Design Lifetime | Up to 1 year or 100 cycles |
| Dimensions (M10x1) | 20 mm thread length, 18 mm OD, 12x1.5 mm o-ring |
| Thread | M6×1, M8×1, M10×1, M14×1.5 or M16×1.5 according to variantCheck the pitch for the exact part; the nominal M size alone does not give it. |
Options and prices
| Option & SKU | Price | Add or enquire |
|---|---|---|
M6x1BS-SSC-CBLPN-BLK-06A1 | ₹8,722.32 | Request quote for M6x1 |
M8x1BS-SSC-CBLPN-BLK-08A1 | ₹8,507.90 | Request quote for M8x1 |
M10x1BS-SSC-CBLPN-BLK-10A1 | ₹8,507.90 | Request quote for M10x1 |
M14x1.5BS-SSC-CBLPN-BLK-14A1 | ₹8,781.47 | Request quote for M14x1.5 |
M16x1.5BS-SSC-CBLPN-BLK-16A1 | ₹9,025.47 | Request quote for M16x1.5 |
Prices are in rupees. Includes GST and delivery in India. Delivery and returns
Documentation
Checked against the manufacturer's published figures: blu-sub.com/…/subsea-cable-penetrator (opens in a new tab) (read 26 September 2026).
Not yet in our listing: cable diameter. Check the manufacturer's documentation above, or ask us for the datasheet.
What else you need
A matching hole and cable
A threaded hole of the same size in the end cap or housing wall, and cable of the outer diameter the seal is made for.
Source: The thread and cable size in the manufacturer's product name or specification.
Accessories and compatibility
Compatible accessories
Named by the manufacturer for this part.
Used for
- Permanent, epoxy-sealed cable feedthroughs for ROV/USV enclosures, subsea robotics housings, and deep-sea exploration equipment
The manufacturer lists: Deep-Sea Underwater Cable; Deep-Sea Shielded Data & Power Cable; Subsea aluminum/acrylic end-caps; Subsea enclosure tubes; Universal M8/M10 Installation Wrench; Spare O-Ring Sets; Loctite Marine Epoxy / 3M2131 sealant
Questions buyers ask
What is its depth rating?
Up to 1,000 m (3,281 ft).
What is it made of?
6061 aluminum, black anodized.
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 cable penetrators
The manufacturers’ figures for this part and the ones most like it, on the rows they publish. — Not specified
| Product | Depth Rating | Material |
|---|---|---|
| Deep-Sea Cable Penetrator this page | Up to 1,000 m (3,281 ft) | 6061 aluminum, black anodized |
| Deep-Sea M10 Gland Cable Penetrator | Aluminum: 300 m (984 ft); Stainless Steel: 1,000 m (3,281 ft) | Not specified |
| Low-Depth M10 Gland Cable Penetrator | 100 m (328 ft) | Copper body, nickel-plated brass construction |
| Mid-Depth M8 Gland Cable Penetrator | 300 m (984 ft) | Black anodized aluminum |
| Potted Cable Penetrator - M10 thread, for 4-5mm cable | Not specified | Aluminum 6061-T6 |
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Deep-Sea Cable Penetrator
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