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 2925-00-450-7783
NSN 6130-01-596-5774
NSN 6135-01-031-8078
NSN 6105-01-095-0518
NSN 5990-00-067-1622
NSN 5895-00-757-9250
NSN 5855-01-348-6690
NSN 5915-00-283-8670
NSN 6130-01-207-1879
NSN 6645-01-386-4588
NSN 5950-01-549-8111
NSN 5965-00-246-5612