56A6481
Unknown
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I acquired two of these Unknown O-Rings in 2017 as part of Bob Thrun’s collection.
Each O-Ring is a chrome plated steel torus with a D-shaped cross section. The flat surface ison the outer diameter. The Rings have a 38 mm. o.d., 25 mm. i.d., and is 13 mm. thick. Mine weighs 27 g.
There are no markings on the rings.
These rings match "O" Rings listed as item H423 Paragear catalogs.
These are smaller than the New Alp Ring, but can be used the same way and will fit many eights better than the These are smaller than the New Alp Ring.
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I acquired two of these Unknown O-Rings in 2017 as part of Bob Thrun’s collection.
Each O-Ring is a clear-anodized aluminum torus with a D-shaped cross section. The flat surface ison the outer diameter. The Ring has a 44 mm. o.d., 32 mm. i.d., and is 11 mm. thick. Mine weighs 20 g.
There are no markings on the rings.
In 2017 found one of these in Bob's Descenders toolbox, and assumed that it was another version of the New Alp Ring, Yeas later I found another in Bob's box of parachute hardware, along with the 56A6481 O-Rings. I have not been able to identify this ring but I no longer have reason to believe that it is another version of the New Alp Ring. I think it might be parachute hardware, but I have not been able to find a matching ring in my Paragear catalogs.
These are smaller than the New Alp Ring, and there are quite a few eights that these rings might work with. For example, it fits the CMI quite well.
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