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 6135-01-167-7604
NSN 5996-00-392-7626
NSN 4140-00-036-2851
NSN 2925-01-459-8093
NSN 6150-00-714-6151
NSN 6110-00-479-0403
NSN 5920-00-419-5382
NSN 6645-00-727-5119
NSN 2925-01-528-7333
NSN 5895-01-459-6994
NSN 5930-00-420-4915
NSN 5975-00-470-0799