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 5990-01-482-5950
NSN 6220-01-339-7557
NSN 6105-01-596-4439
NSN 6220-00-369-5422
NSN 6220-01-086-4061
NSN 5945-01-193-7252
NSN 5985-00-351-9456
NSN 5950-00-912-3376
NSN 5996-00-121-7677
NSN 6150-01-065-2358
NSN 5990-01-443-2931
NSN 5975-00-417-3321