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 5895-01-613-4355
NSN 5975-01-550-5492
NSN 6240-00-997-4559
NSN 5930-01-111-3119
NSN 6150-01-502-6779
NSN 5945-01-596-2870
NSN 5905-01-406-4323
NSN 6650-00-153-3155
NSN 6685-00-678-9004
NSN 5920-00-729-8584
NSN 5895-01-260-2737
NSN 6645-01-222-5468