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 6610-01-473-5678
NSN 5905-00-802-2794
NSN 5950-00-784-7989
NSN 5905-01-230-3350
NSN 6320-01-433-3953
NSN 5965-01-562-4667
NSN 6610-01-425-1523
NSN 5965-01-503-1617
NSN 5996-00-277-7384
NSN 5915-01-190-2346
NSN 6145-01-437-6777
NSN 6220-00-617-9616