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 6220-01-211-6349
NSN 6110-01-434-7461
NSN 5965-00-549-0220
NSN 7035-00-096-9986
NSN 7035-01-387-8655
NSN 6130-00-246-6915
NSN 6130-01-385-4368
NSN 5920-01-031-7891
NSN 5975-00-541-8531
NSN 5950-01-123-6529
NSN 5950-01-033-6480
NSN 5835-01-237-3769