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 5855-01-623-8582
NSN 6620-01-173-3284
NSN 6645-01-103-6348
NSN 5999-01-401-5322
NSN 6620-01-068-4498
NSN 5985-01-406-4274
NSN 5855-01-103-1474
NSN 7035-00-200-5162
NSN 5835-00-729-9305
NSN 5945-01-627-5503
NSN 6220-01-634-0660
NSN 4140-01-442-8646