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 6645-01-122-8306
NSN 5895-00-774-7885
NSN 5945-00-075-1177
NSN 6110-01-130-2975
NSN 5855-01-534-5931
NSN 6240-01-110-6235
NSN 6650-00-499-2802
NSN 6240-01-519-5893
NSN 4140-01-172-8368
NSN 5905-01-397-8577
NSN 6150-00-826-8149
NSN 6105-01-570-5907