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 5996-01-429-9280
NSN 2925-01-541-5031
NSN 6135-00-944-6953
NSN 5985-01-356-5911
NSN 5895-01-112-0532
NSN 4140-00-174-8844
NSN 5910-01-197-0470
NSN 6110-00-147-6006
NSN 5930-01-459-7993
NSN 6320-01-119-3935
NSN 5855-00-688-9954
NSN 5975-01-629-9690