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 6130-00-195-7347
NSN 5930-00-112-0897
NSN 5895-01-010-3518
NSN 5855-01-581-1155
NSN 5975-01-062-1435
NSN 5996-00-277-7384
NSN 2925-01-411-4666
NSN 5965-01-051-0126
NSN 5920-01-531-1586
NSN 6240-01-322-9387
NSN 5975-01-057-6576
NSN 5920-00-147-7975