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 5990-01-034-0516
NSN 6130-01-240-1178
NSN 5920-01-134-8547
NSN 6650-01-353-9299
NSN 5945-01-428-2903
NSN 5960-01-173-4772
NSN 6320-00-857-4073
NSN 6620-00-165-1749
NSN 6610-01-238-8712
NSN 7035-00-679-9027
NSN 5945-01-480-7619
NSN 2925-01-496-4699