ISC Meg Modifications

[Steel_Stalk]

Nuthin' fancy, I milled out my last name into the top handle. I guess ISC used to offer this with the purchase of a rebreather from the factory but I purchased mine second hand.

 

[desepas]

Folks, if you run buna o-rings on your t-pieces, could you please share the specs? I have spec'ed the following:

3.55 mm (Wide), 45 mm (ID), 52.1 mm (OD)

Duro 70

McMaster-Carr

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Fits a bit tighter than the stock silicone o-rings. We'll see how it works IRL soon. Thank you!

the O Rings used on the Meg.

Silicone 4-224 for the T fittings 44.04 x 3.53 8
Silicone 4-123 for the Hose Ends 29.82 x 2.62 12
Silicone 2-218 for the ADV 2 off 31.34 x 3.53 4
Viton 1-013 for inside the ADV 10.82 x 1.78 7
Viton 2-259 for the Lid 158.34 x 3.53 4
Silicone 1-042 for the Base/Sensor Pod 82.27 x 1.78 1
Viton 2-127 bottom inhale tube/scrubber 36.17 x 2.62 6 + 2 NBR
Viton 2-025 up inhale tube/lid 29.87 x 1.78 4 + 2 NBR
NBR 2-033 50.52 x 1.78 4
black 2-130 sensor plate locking 40.94 x 2.62 4 fond de gorge d.42 40 x 3.15 mieux adapté
NBR 2-015 14.00 x 1.78 2
NBR 1-029 37.82 x 1.78 1
Silicone 1-129 red 39.34 x 2.62 1
Silicone 1-122 red 28.62 x 2.62 1
NBR 1-150 72.69 x 2.62 1 peut être joint écran ?
Silicone 1-037 for the Sensor Pod/Locking Plate 63.22 x 1.78 0
2-235 for the handset 78.97 x 3.53 0
2-224 for the battery lid 44.04 x 3.53 0

I hope this helps. The final number is the amount I have in stock.
Note that the 40 x 3.15 gasket solves the stability problem of the cell holder plate

 

[mr_v]

Silicone 4-224 for the T fittings 44.04 x 3.53

-224 will definitely fit and I believe is the stock size. The metric version, 3.55 mm (Wide), 45 mm (ID), 52.1 mm (OD) will provide a tighter fit but it is visibly larger than -224. I'll stick with -224.