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 6645-00-067-7070
NSN 6645-01-467-3182
NSN 5965-01-633-8849
NSN 6105-01-490-6551
NSN 6110-01-385-1003
NSN 4140-01-621-6416
NSN 5905-01-198-5955
NSN 6320-01-117-5516
NSN 5990-01-199-4832
NSN 5935-00-228-0592
NSN 6110-00-162-5519
NSN 5930-00-122-3664