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 5895-01-656-1082
NSN 6150-01-626-1691
NSN 5990-01-609-4793
NSN 5975-00-189-7481
NSN 5905-00-101-9280
NSN 6620-01-431-9176
NSN 6110-01-505-2337
NSN 6110-01-361-1837
NSN 6320-00-115-0883
NSN 5920-00-761-5900
NSN 7035-01-150-6303
NSN 6145-01-039-2568