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 5990-00-691-2697
NSN 6150-00-753-3950
NSN 5920-01-548-7960
NSN 5920-00-149-0013
NSN 5855-01-584-7586
NSN 6650-00-775-6560
NSN 5998-01-567-9548
NSN 5990-00-944-0166
NSN 5996-00-838-7841
NSN 5950-01-147-2833
NSN 5985-00-884-7209
NSN 5910-00-387-4855