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 5930-01-613-7205
NSN 4140-01-493-5182
NSN 6240-00-228-1931
NSN 6145-01-090-7258
NSN 6220-01-398-4130
NSN 6145-01-359-8028
NSN 4140-01-493-4487
NSN 5999-01-523-3149
NSN 5996-01-237-1615
NSN 6130-00-893-4612
NSN 5965-01-652-5859
NSN 6220-01-459-8668