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 5990-00-617-1422
NSN 6135-01-101-5039
NSN 5895-00-910-6506
NSN 5996-00-880-1941
NSN 6145-01-283-2482
NSN 6320-01-572-6395
NSN 6240-00-514-3507
NSN 6105-01-457-7726
NSN 5925-01-550-3357
NSN 5915-01-482-0147
NSN 5990-00-522-3425
NSN 6135-00-248-4102