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 6610-01-212-1028
NSN 6220-01-455-2248
NSN 5975-01-570-7306
NSN 5895-01-108-7214
NSN 6150-00-998-4704
NSN 5920-01-150-6870
NSN 5965-00-362-2158
NSN 6135-01-127-0173
NSN 6105-01-391-0566
NSN 6220-00-079-0851
NSN 6685-00-448-1235
NSN 5965-01-133-1745