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 5905-01-418-1017
NSN 2925-00-660-8131
NSN 6320-00-483-0451
NSN 5915-00-592-8833
NSN 5975-01-241-1061
NSN 5990-01-126-5824
NSN 5950-01-395-9852
NSN 6650-01-360-3848
NSN 6220-00-160-9372
NSN 5965-01-358-1279
NSN 6650-01-487-2597
NSN 5990-01-474-3477