MIL-PRF-81329E, PERFORMANCE SPECIFICATION: LUBRICANT, SOLID FILM, EXTREME ENVIRONMENT, NATO CODE NUMBERS S-137 (29-JUL-2015)

MIL-PRF-81329E, PERFORMANCE 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 deg C to 400 deg C. This solid lubricant is identified by NATA