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 6110-00-946-1060
NSN 5930-00-323-0608
NSN 6220-01-509-0538
NSN 4140-00-300-8111
NSN 6610-01-238-5559
NSN 5920-00-161-4564
NSN 6145-01-415-2658
NSN 6685-00-182-7788
NSN 5915-01-519-3287
NSN 5895-01-524-6234
NSN 5990-00-530-3855
NSN 6220-01-519-9305