Winch. Inavy is plug, seal
A pipe fitting primarily designed for permanent installation during piping systems operations to fit into another pipe or pipe fitting for sealing. It usually is threaded.
NSN 5996-00-138-9938
NSN 6105-01-597-6622
NSN 6135-01-466-3980
NSN 5985-00-043-1976
NSN 5895-00-252-8431
NSN 6220-01-153-7943
NSN 6645-00-862-2904
NSN 5960-01-579-1661
NSN 5960-01-047-4326
NSN 5920-01-214-2238
NSN 5975-00-900-7177
NSN 6620-00-017-3901