MS21438C (NOTICE 1), MILITARY STANDARD: BEARING, ROLLER, NEEDLE, SINGLE ROW, HEAVY DUTY, TRACK ROLLER, SEALED, TYPE V, ANTIFRICTION, INCH (05 APR 1999) [SUPERSEDED BY SAE-AS21438]
MS21438C (NOTICE 1), MILITARY STANDARD: BEARING, ROLLER, NEEDLE, SINGLE ROW, HEAVY DUTY, TRACK ROLLER, SEALED, TYPE V, ANTIFRICTION, INCH (05 APR 1999) [SUPERSEDED BY SAE-AS21438].