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 6685-01-465-0237
NSN 5990-01-055-4012
NSN 6650-01-596-8627
NSN 5945-01-593-0056
NSN 4140-01-272-4041
NSN 6610-00-806-9392
NSN 6610-01-558-6378
NSN 5910-01-446-6871
NSN 6645-01-055-5465
NSN 6145-00-010-5135
NSN 6610-01-032-5335
NSN 5920-01-625-7652