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 6620-01-368-2723
NSN 5950-01-537-8796
NSN 5930-01-322-4518
NSN 6650-00-131-0812
NSN 6145-01-519-8210
NSN 6645-01-095-9681
NSN 6110-01-602-5670
NSN 5910-01-512-8782
NSN 6685-00-543-1409
NSN 5895-01-198-2228
NSN 6105-01-397-8711
NSN 6110-01-283-4076