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 5915-01-067-9470
NSN 6320-01-032-9703
NSN 6240-00-539-9770
NSN 5960-01-512-0233
NSN 5895-00-085-4416
NSN 6320-01-119-3935
NSN 5945-01-585-8129
NSN 6320-00-483-0451
NSN 5905-00-741-3114
NSN 5990-01-468-1292
NSN 5895-01-396-1129
NSN 6610-00-054-7276