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 5925-01-074-8589
NSN 6145-00-493-4089
NSN 6610-01-604-1744
NSN 6145-01-007-1742
NSN 6145-00-907-9399
NSN 5920-01-212-1536
NSN 6610-01-200-6861
NSN 6220-00-520-0333
NSN 6110-00-082-0268
NSN 6110-01-269-1889
NSN 6240-01-171-0374
NSN 5925-01-436-9833