A flanged socket designed to accommodate the heel of a mast. it is hinged to permit lowering of the mast to a horizontal position.
NSN 5960-00-941-2639
NSN 5996-01-232-0067
NSN 6620-01-245-0184
NSN 6645-01-519-2220
NSN 6220-01-314-9594
NSN 5920-01-496-6068
NSN 5855-01-010-4921
NSN 5915-01-645-4809
NSN 6650-01-127-9518
NSN 5996-00-267-1139
NSN 6145-00-946-6950
NSN 6135-00-557-8874