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 5996-00-209-9517
NSN 5999-01-091-4436
NSN 6650-01-426-4253
NSN 4140-00-023-4442
NSN 5905-00-511-5253
NSN 5999-01-364-7931
NSN 6130-01-495-6761
NSN 5996-01-003-7206
NSN 5910-01-071-6669
NSN 6610-00-411-7246
NSN 5935-01-447-3186
NSN 5999-01-555-8285