Has zerk type lubrication fitting
NSN 6650-00-161-4122
NSN 5915-01-327-2795
NSN 6240-00-135-7071
NSN 6645-00-803-6417
NSN 5920-00-283-7178
NSN 5975-01-618-1965
NSN 6220-01-342-5017
NSN 4140-01-216-0008
NSN 6240-01-441-3606
NSN 6650-00-862-2142
NSN 5960-00-231-3767
NSN 5855-00-051-2792