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 5945-00-065-5715
NSN 6650-00-111-1081
NSN 6650-01-449-0702
NSN 6645-01-321-7665
NSN 5855-01-537-3481
NSN 5975-01-653-8139
NSN 6620-01-395-5214
NSN 5895-00-436-2824
NSN 6145-01-656-3903
NSN 6610-00-961-7263
NSN 5996-01-460-1484
NSN 5975-01-075-6001