Has zerk type lubrication fitting
NSN 6610-01-456-9872
NSN 5965-01-057-3843
NSN 6240-01-476-7357
NSN 5910-01-152-1882
NSN 6685-00-221-4950
NSN 6220-01-552-7313
NSN 6240-01-130-1505
NSN 5945-01-124-0541
NSN 2925-01-381-5307
NSN 5975-00-345-0683
NSN 6685-01-180-9037
NSN 6650-00-419-4146