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 5999-00-221-6559
NSN 6105-00-792-3139
NSN 6220-01-352-5425
NSN 6105-00-525-8639
NSN 6685-01-322-0139
NSN 5895-00-488-5187
NSN 5996-00-651-1656
NSN 5920-01-340-4506
NSN 5990-00-407-4473
NSN 5950-00-118-1117
NSN 6620-01-612-9030
NSN 5925-01-562-4897