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Parker 8-443 backup ring envelope (uncut)

Parker 8-443 backup ring envelope (uncut): ID 7.524 in (191.11 mm), OD 7.996 in (203.10 mm), thickness 0.117 in (2.97 mm); for the AS568 -443 O-ring

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

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Dimensions

dash8-443
ID (in)7.524
OD (in) = ID + 2W7.996
radial width W (in)0.236
thickness T (in)0.117
ID (mm)191.11
OD (mm)203.10
T (mm)2.97
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