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 5855-00-198-3197
NSN 6150-00-185-3293
NSN 7035-00-252-7467
NSN 5998-00-889-8554
NSN 6685-00-245-4550
NSN 5835-01-416-6455
NSN 5835-01-100-3265
NSN 6650-00-891-9850
NSN 5998-01-388-2181
NSN 4140-01-481-0416
NSN 6645-01-453-8273
NSN 6320-00-725-0754