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Parker 8-244 backup ring envelope (uncut)

Parker 8-244 backup ring envelope (uncut): ID 4.256 in (108.10 mm), OD 4.492 in (114.10 mm), thickness 0.050 in (1.27 mm); for the AS568 -244 O-ring

Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.

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Dimensions

dash8-244
ID (in)4.256
OD (in) = ID + 2W4.492
radial width W (in)0.118
thickness T (in)0.050
ID (mm)108.10
OD (mm)114.10
T (mm)1.27
cross-checkMcMaster ID and OD agree
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From the full sheet

Backup rings for AS568 O-rings (Parker 8-xxx Parbak, 8-004 to 8-475): ID, OD, width and thickness per dash size: every size, notes, mating features and sources. What are the ID, OD and thickness of an 8-214 (or 8-110, 8-325) backup ring for an AS568 O-ring?

Other sizes