MIL-PRF-32538 (NOTICE-1), PERFORMANCE SPECIFICATION: LUBRICATING OIL, HELICOPTER TRANSMISSION SYSTEM, SYNTHETIC BASE, NATO CODE NUMBER: O-165 (07-JUL-2020)

MIL-PRF-32538 (NOTICE-1), PERFORMANCE SPECIFICATION: LUBRICATING OIL, HELICOPTER TRANSMISSION SYSTEM, SYNTHETIC BASE, NATO CODE NUMBER: O-165 (07-JUL-2020)., MIL-PRF-32538, dated 07-Oct-2015, has been reviewed and determined to be valid for use in acquisition.