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 5975-01-263-5809
NSN 6620-01-437-3146
NSN 6610-01-149-0720
NSN 6220-00-318-7755
NSN 6220-01-046-4655
NSN 2925-01-065-0060
NSN 6135-01-572-8530
NSN 6105-01-458-8428
NSN 7035-00-096-9986
NSN 5960-00-588-8966
NSN 5945-01-202-7776
NSN 5996-01-480-3807