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 5910-00-853-6190
NSN 6645-01-005-5915
NSN 5965-01-406-4164
NSN 5910-01-648-0256
NSN 7035-01-112-4565
NSN 6135-00-248-4102
NSN 5905-00-965-8230
NSN 6610-00-757-6060
NSN 6320-00-857-4073
NSN 2925-01-434-2502
NSN 6620-01-062-7163
NSN 5999-01-514-7825