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Black rubber O-ring 10mm diameter 2mm thick

Alphacool

Alphacool 95016 O-ring 10 x 2mm SLI-Nipple NBR black

SKU CH-34V6-8DMK0

Replacement NBR O-ring with 10 mm inner diameter and 2 mm cross-section seals SLI nipples lacking a groove

  • Product colorBlack
  • Key featuresO-Ring 9.5 × 2 mm (SLI-Nipple)
  • Replacement seal for groove-less fittings with 2 mm thick NBR material
  • Guaranteed sealing on SLI nipples despite missing standard O-ring groove
  • Nitrile rubber construction resists coolant and temperature cycling
  • Precise 10 mm inner diameter matches SLI nipple specifications
  • Single 95016 O-ring supplied ready for immediate installation

Alphacool 95016 O-Ring 10 x 2mm

This Alphacool 95016 O-ring is a replacement seal for custom water-cooling fittings that lack a standard groove. It is intended for builders maintaining or assembling a liquid-cooled loop who need a reliable seal on SLI-style nipples. The NBR material resists common coolants and provides durable elasticity for repeated assembly.

Practical limits of the flat-seat interface

Without a machined groove the seal relies entirely on compression between two flat surfaces. The 2 mm cross-section compensates for the missing groove by creating a wider contact patch that tolerates minor surface imperfections. Over-tightening can still extrude the NBR, so torque must be controlled during installation.

The 9.5 mm internal diameter decides fit

The critical specification is the 9.5 mm internal diameter, which must match the nipple bore exactly for a leak-free joint. If the fitting bore is larger or smaller this ring will not seal and a different size is required. Buyers who need a different bore diameter or a groove-mounted seal cannot use this part.

How it compares

Measured against everything we stock in Liquid Cooling & AIO Coolers, at today’s prices. Recalculated every night.

Price $0.82
Cheaper than about 99% of the 1,190 comparable items (median $71.99).

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Specifications

Product
Brand nameAlphacool
Model name95016
Product colorBlack

Questions about this item

Which size O-ring do I need for my SLI nipple fitting?

This replacement O-ring has a 10 mm internal diameter and 2 mm thickness, matching the 95016 specification for SLI nipples.

What does the 10 mm internal diameter mean once the ring is seated?

The 10 mm bore fits over the nipple's outer surface, and the 2 mm cross-section compresses to create a watertight seal even without a machined groove.

What material is the seal made from and what fluid compatibility does it cover?

The ring is moulded from NBR (nitrile rubber), which resists water, glycol coolants and common PC liquid-cooling additives.

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