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 5985-01-618-7468
NSN 6145-01-562-6545
NSN 5935-01-057-0175
NSN 4140-01-310-7345
NSN 6620-01-417-4081
NSN 5915-01-246-6278
NSN 5960-01-359-6630
NSN 5905-01-137-2257
NSN 6240-00-954-5503
NSN 6145-00-918-0809
NSN 5935-01-304-0599
NSN 5905-01-441-0336