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 5990-01-351-4621
NSN 5925-01-185-1390
NSN 6220-01-264-6702
NSN 6130-00-508-1214
NSN 6145-01-094-8150
NSN 5945-01-047-0187
NSN 6145-01-376-0968
NSN 5965-01-357-7595
NSN 5905-01-556-9578
NSN 6610-01-541-5034
NSN 6240-01-401-5340
NSN 5910-00-414-7881