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 6645-01-212-9474
NSN 4140-01-463-7952
NSN 6135-00-152-8729
NSN 6130-01-315-5283
NSN 6610-01-288-6103
NSN 5999-00-081-9413
NSN 6685-00-999-2503
NSN 5975-01-450-0451
NSN 5990-00-911-8093
NSN 7035-01-238-5036
NSN 5895-01-325-4221
NSN 5895-00-901-8849