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 5905-00-409-5727
NSN 5998-00-364-6070
NSN 6150-00-647-3285
NSN 5996-01-483-1032
NSN 6650-01-548-3495
NSN 5960-01-397-8328
NSN 4140-01-268-2898
NSN 6620-01-093-7592
NSN 5965-01-063-7894
NSN 5925-01-446-4375
NSN 5999-00-435-8497
NSN 5835-01-027-0597