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 5905-00-525-3747
NSN 6135-01-651-7287
NSN 5950-01-062-6912
NSN 6220-01-468-5596
NSN 5965-01-265-6814
NSN 6220-01-605-0491
NSN 5945-01-022-7784
NSN 5920-01-024-5956
NSN 5985-01-460-8161
NSN 5950-00-928-2204
NSN 6650-01-244-5614
NSN 6320-01-328-6575