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 5985-01-184-6571
NSN 6620-01-245-0184
NSN 5960-00-285-1001
NSN 5915-00-196-1417
NSN 6320-00-098-2858
NSN 5895-00-067-7620
NSN 5996-01-518-3732
NSN 2925-01-412-9520
NSN 5960-01-278-9394
NSN 2925-01-100-3694
NSN 5985-00-136-3478
NSN 6240-00-829-4179