Castrol Brayco™ Micronic 783 is a petroleum-based, low-viscosity, ISO grade 15, red hydraulic and preservative fluid for aircraft and ordnance use. A blend of selected petroleum oils with additives, it provides exceptionally good viscosity-temperature characteristics, good anti-wear properties, controlled rubber swell, good shear stability and excellent oxidation resistance. It is an excellent corrosion preventive and provides a high degree of detergency to keep systems clean.
Use and Specifications
- Aircraft, ordnance and general hydraulic systems; preservation of hydraulic components from −54 to 135 °C (−65 to 275 °F)
- Operational preservative fluid for ordnance in MIL-PRF-5606 service; suitable for missile ground support equipment hydraulics with long periods of inactivity
- MIL-PRF-6083G (Castrol product list; the 2010 TDS in Odoo: MIL-PRF-6083F); P-15 preservative under MIL-P-116; military symbol OHT, NATO code C-635
- Used with standard synthetic rubber “L”; to be mixed only with MIL-PRF-5606, MIL-PRF-46170 and MIL-PRF-83282 fluids
Typical Properties
- API gravity 29.5; specific gravity 0.88
- Kinematic viscosity: 13.6 cSt at 40 °C, 4.7 cSt at 100 °C, 650 cSt at −40 °C, 3450 cSt at −54 °C
- Pour point −65 °C (−85 °F); flash point (PMCC) 100 °C (212 °F); acid/base number 0.08 mg KOH/g
- Water (KF) 0.01%; trace sediment 0.001 mL
| Packing | 55 USG |