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 6240-00-275-1950
NSN 6645-00-987-0676
NSN 5965-00-764-1841
NSN 6320-00-853-1920
NSN 5895-01-407-6401
NSN 6240-00-780-6988
NSN 5895-01-114-6081
NSN 6650-00-620-0212
NSN 5935-01-508-6046
NSN 5905-01-503-0439
NSN 6130-01-459-8215
NSN 5905-00-638-6776