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 6105-00-949-3693
NSN 6110-00-636-1234
NSN 6150-00-430-0651
NSN 6105-00-306-0913
NSN 5930-00-327-9084
NSN 5960-00-802-6224
NSN 6320-01-089-9086
NSN 5996-01-502-7535
NSN 4140-01-618-6906
NSN 6620-01-157-9267
NSN 5930-01-548-1338
NSN 5945-00-552-3097