Royco 27 is a light, tan synthetic ester-based grease featuring a lithium stearate thickener and additives for anti-oxidation, anti-corrosion, rust prevention, and extreme pressure wear protection.
Royco 27 is designed for heavy-duty gears, actuators, instruments, and high-speed bearings and is suitable for use over a wide temperature range of -100 to 275°F. Additionally, Royco 27 meets the requirements for MIL-G-3278, MIL-G-7118, MIL-G-7421, MIL-G-15793, and MIL-PRF-23827, and Royco 27 meets all requirements and is qualified against MILSPEC: MIL-PRF-23827C.
The synthetic oils used in ROYCO 27 may soften natural rubbers, neoprene, some types of electrical insulating compounds, and certain paints.
Placed order 11-26-25, finally received 12-30-25. Didn’t know it was a back ordered item. Customer service was helpful but it was frustrating to wait that long.
Item works but the radio plug doesn’t stay in so I had to make a retainer
