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 6150-01-166-7745
NSN 6620-01-007-4249
NSN 5930-00-968-7985
NSN 6320-01-355-3998
NSN 6145-01-633-7437
NSN 6620-01-648-1594
NSN 5998-01-634-0604
NSN 2925-01-026-1000
NSN 5998-01-012-3727
NSN 5935-00-342-9426
NSN 6610-01-455-9137
NSN 4140-01-026-2304