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 6220-01-257-4427
NSN 5985-01-535-7298
NSN 6645-01-352-5675
NSN 5910-01-406-1188
NSN 5950-01-282-8727
NSN 4140-01-566-9734
NSN 5915-00-444-7908
NSN 5990-01-328-2385
NSN 5950-00-876-3210
NSN 5965-01-538-0698
NSN 6130-01-599-4096
NSN 5999-01-468-0207