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 6220-00-337-7463
NSN 6105-01-144-5473
NSN 6135-01-469-7574
NSN 6130-00-220-9655
NSN 5905-01-142-7751
NSN 6645-00-816-1707
NSN 5855-01-610-9557
NSN 6685-01-199-1304
NSN 5998-01-640-9251
NSN 6220-01-045-9091
NSN 6610-01-065-1073
NSN 7035-01-132-7209