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 5996-01-340-4510
NSN 6240-00-646-6931
NSN 6105-01-119-9623
NSN 6110-01-004-9870
NSN 5985-01-131-1921
NSN 5950-00-144-4139
NSN 5855-00-138-2386
NSN 6145-00-264-2137
NSN 5905-01-033-9052
NSN 6645-01-089-6459
NSN 5835-01-412-0344
NSN 2925-00-373-8837