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 5975-00-864-0361
NSN 5935-01-424-5226
NSN 5920-00-990-9727
NSN 5965-01-496-1633
NSN 4140-01-235-1757
NSN 6645-01-036-5027
NSN 6105-00-767-9505
NSN 6620-00-572-8787
NSN 6145-00-775-0786
NSN 6645-01-431-0732
NSN 5930-01-157-2793
NSN 6110-00-604-7753