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 6150-00-988-6997
NSN 5905-01-578-1525
NSN 5965-01-012-1065
NSN 6645-01-608-1134
NSN 5925-01-175-6082
NSN 6135-01-440-9412
NSN 6650-01-328-8363
NSN 6240-00-874-3533
NSN 6105-01-205-3866
NSN 5999-01-210-5309
NSN 4140-01-627-4357
NSN 6685-00-813-7025