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 5920-01-296-4361
NSN 5910-00-170-5223
NSN 5990-00-771-8792
NSN 6110-01-004-8956
NSN 5920-01-423-0805
NSN 2925-00-961-2117
NSN 5999-01-464-4076
NSN 5965-01-094-6602
NSN 6145-01-336-2713
NSN 5950-00-278-1201
NSN 6240-01-422-1878
NSN 5910-01-643-0897