A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5925-01-545-7660
NSN 5915-01-372-0965
NSN 5930-01-568-7604
NSN 5990-00-067-6791
NSN 6650-01-318-1829
NSN 5990-01-231-9608
NSN 6320-01-335-8336
NSN 5985-00-852-4849
NSN 5905-01-466-8633
NSN 5960-01-265-8069
NSN 5920-01-295-6425
NSN 6110-00-285-1895