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 5998-00-000-0177
NSN 5910-01-388-7579
NSN 6685-00-478-1858
NSN 6645-00-081-4298
NSN 5855-00-797-8217
NSN 5895-00-458-2480
NSN 4140-00-116-1022
NSN 6135-01-546-4588
NSN 5999-01-259-4636
NSN 5999-00-959-7144
NSN 6135-00-062-5080
NSN 5950-00-603-3696