Stearman 75-2649 Upper Packing Spacer Ring – Bendix 65537 – NS Aircraft PartClick here to purchase or contact the seller of this item on eBay |
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| Current Price: 125.00 USD |
Original package of five (5) Stearman Aircraft upper packing spacer ring, P/N 75-2649, confirmed by a Stearman factory engineering drawing. The drawing explicitly lists this part as identical to Bendix P/N 65537, which matches the factory-etched markings on these rings. These are new old stock (NOS) aluminum aircraft components.
Identified on authentic Stearman drawing as: “RING – UPPER PACKING SPACER (OPTIONAL)”
Used in the packing/seal stack of a Stearman hydraulic or control assembly. Applicable to:
PT-13
PT-17
PT-18
U.S. Navy N2S series
Other Stearman-built variants
These rings are correct for WWII-era Stearman trainer restorations.
Per Stearman Drawing 75-2649 (matches physical parts):
OD: 3.308–3.311"
ID: 2.685–2.688"
Thickness: ~13/32"
Material: Aluminum alloy WW-T-786, anodized
Features: flat face + 45° chamfered face
Markings: factory-etched “BENDIX 65537”, with inspection stamp
Identification Summary
Stearman P/N: 75-2649
Bendix P/N: 65537 (blueprint-verified equivalent)
Official Name: Ring, Upper Packing Spacer
Condition: NOS, never installed
Condition
NOS aluminum rings
Clear Bendix factory etching
Clean surfaces, no corrosion
Includes original shop tag marked “Ring – Upper Packing Spacer 75-2649”
Perfect for Stearman PT-13/ PT-17/ PT-18/ N2S restorations, display, or historical collections.
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Click here to purchase or contact the seller of this item on eBay
