Metaspec manufactures test specimens used in quality and conformance testing by Military Specification MIL-PRF-23827, which covers a low-temperature grease used on aircraft and instruments.
This lubricating grease is identified by NATO G-354. This grease is intended for use in ball, roller and needle bearings, gears, and on sliding and rolling surfaces of equipment such as instruments, cameras, electronic gear and aircraft control systems that are subject to extreme marine and low temperature conditions not encountered in commercial aviation. This lubricating grease has an extremely low volatility, which is advantageous in preventing oil fogging in aircraft optical instruments.
The following test is required by Specification MIL-PRF-23827. Click on the test method number for more information about the specimens required for this test.
To read or download this specification, click below. This specification supersedes military specification MIL-G-23827.