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 5996-00-133-9032
NSN 6650-01-123-7249
NSN 6220-01-205-7687
NSN 6220-01-025-1373
NSN 5935-01-106-6991
NSN 6610-01-250-2811
NSN 6685-01-575-8720
NSN 6130-00-003-5346
NSN 6135-01-522-3386
NSN 5990-00-435-3348
NSN 5999-01-443-3392
NSN 7035-01-573-8984