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Pair of 0-4000 PSI brass-cased pressure gauges from an aviation component shop, both with their out-of-calibration tags still attached.
Gauge 1: part name MANOMETRO, P/N 1610976, S/N G-21, dial 0-4000 PSI, marked USE NO OIL, MADE IN U.S.A., UL mark
Gauge 2: part name MANOMETRO, P/N BU-2581-AG, S/N G-120, dual dial 0-4000 PSI and 0-28000 kPa
Both: brass cases, bottom-mount threaded stems, AeroSur OUT OF CALIBRATION TAG tied on, inspection stamp 282114, signed by the same inspector
Calibration table entries on the tags fall in the late 1990s
These are shop instruments, not aircraft parts. BU-2581 is a US Gauge compressed-gas gauge number, and MANOMETRO on the tags is the Spanish nomenclature the shop used.
Sold AS-IS. UNTESTED and OUT OF CALIBRATION - both gauges carry out-of-calibration tags and neither has been checked against a standard. NOT for aircraft installation and not approved for any safety-critical use. Sold for display, collecting, study or bench use where accuracy does not matter. Buyer assumes all responsibility for any use.
About the source of this item
From the leftover inventory of an aviation component shop that did inspection, repair and certification work; when the company closed the remaining stock went to sale. That origin is real, but it does not mean this unit is approved for flight use today.
