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 5855-01-589-7273
NSN 4140-01-038-7659
NSN 4140-01-145-0122
NSN 6130-00-119-8566
NSN 5910-00-170-6784
NSN 5975-01-561-1273
NSN 6685-01-586-5225
NSN 6650-01-345-1340
NSN 5905-01-318-6638
NSN 6685-00-032-7311
NSN 6130-01-190-3332
NSN 6240-00-517-7053