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 2925-01-502-9903
NSN 5975-00-660-6150
NSN 5920-00-001-4314
NSN 6645-01-087-7345
NSN 5975-01-236-9806
NSN 6220-00-176-5912
NSN 6135-00-078-9931
NSN 5945-01-585-8129
NSN 5996-01-421-9391
NSN 5998-01-502-5942
NSN 6105-01-449-2375
NSN 6240-01-304-6355