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 6645-00-124-9939
NSN 5920-01-495-2571
NSN 6650-00-899-5145
NSN 5998-01-055-2206
NSN 6220-01-328-6574
NSN 6620-01-185-5541
NSN 6110-01-273-6506
NSN 5965-00-636-2229
NSN 5975-01-297-2366
NSN 5985-00-702-3818
NSN 6620-01-082-2483
NSN 5960-01-481-3722