MIL-PRF-81359E, MILITARY SPECIFICATION: LUBRICANT, SOLID FILM, EXTREME ENVIRONMENT, NATO CODE NUMBERS S-137 (29-JUL-2015)

MIL-PRF-81359E, MILITARY SPECIFICATION: LUBRICANT, SOLID FILM, EXTREME ENVIRONMENT, NATO CODE NUMBERS S-137 (29-JUL-2015)., This specification covers the requirements for one grade of a solid film lubricant for use at temperatures ranging from -185 to 400 DEG C. This solid film lubricant is identified by NATO symbol S-1737.