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 5905-00-593-5037
NSN 6650-00-283-0978
NSN 6645-01-633-1852
NSN 6645-01-037-4735
NSN 5965-00-862-2417
NSN 5920-01-120-0994
NSN 6110-01-004-2398
NSN 5855-01-125-9167
NSN 5925-00-113-0518
NSN 5855-01-463-9401
NSN 6645-01-582-2601
NSN 6110-01-062-2208