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 4140-00-224-9149
NSN 5910-01-444-1429
NSN 6220-01-359-4857
NSN 5925-01-487-6229
NSN 6150-01-166-9448
NSN 5905-01-328-7904
NSN 5855-01-203-4719
NSN 5935-01-431-0917
NSN 5855-01-495-1339
NSN 6620-00-035-5813
NSN 6240-01-545-3608
NSN 5965-01-354-9834