O-Ring, manufactured to US MS / AN / NAS. Material elastomer. Preformed packing of circular section used as a static or dynamic seal. It is compressed inside a groove to close the gap between two mating surfaces and contain fluid, fuel, hydraulic pressure or air. Material and temperature range are defined by the applicable material specification. Aircraft application: US standard part (MS / AN / NAS / SAE). Called out by any certified aircraft whose IPC specifies the standard. No closed list of models. Supplied new with EASA Form 1 or FAA 8130-3 traceability to the approved source.
Cross reference: 8544-734 — alternate part number(s) listed in the Airbus Helicopters technical catalog.
Manufacturer's release with every part. FAA Form 8130-3, EASA Form 1 or the manufacturer's certificate of conformity, exactly as received from the source. Never altered or re-issued.
Lot traceability on every shipment. Every order also ships with a Blackbird Certificate of Conformance and lot-split record linking your part to its source certificate, the receipt it arrived under and every quantity released from that lot.
Identified and stored under control. Each part is labeled with its part number, lot and certificate reference and kept at a tracked bin location.
Stock in the USA and Brazil. Margate, Florida and Cotia, São Paulo.
Run by a pilot who flies what we supply. Our founder, Marcus Graciotti, holds FAA and ANAC ATP licenses for airplanes and helicopters and grew up as the son of an aircraft mechanic. Read our story
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