Backup Ring, 1.522 in ID x 1.692 to 1.696 in OD, PTFE, White
Bottom line: stock is on the shelf, lock in a quote with trace documents today.
MS28774-128 shows 11 offers from 7 suppliers with stock ready to ship. For AOG and tight maintenance windows this is the profile you want: confirmed availability instead of open-ended lead times.
Price guidance: $0.27 - $78.75, depending on condition (NE, NS). In-stock parts move fast, so lock in a quote with trace documents early instead of re-sourcing mid-repair.
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