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 6240-01-312-9158
NSN 6105-01-373-5812
NSN 6240-00-983-4583
NSN 5965-00-139-1039
NSN 5920-00-069-7624
NSN 6620-01-573-8003
NSN 5965-01-451-7313
NSN 5950-01-659-0461
NSN 6650-00-167-9955
NSN 6650-00-945-9105
NSN 6645-00-964-3020
NSN 6610-01-422-2376