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 2925-00-824-2186
NSN 5925-01-241-8464
NSN 5835-01-441-4746
NSN 5985-01-575-9988
NSN 5915-01-125-6302
NSN 5835-01-050-7882
NSN 6240-01-392-1334
NSN 6110-01-357-2973
NSN 4140-00-152-7092
NSN 2925-01-342-1712
NSN 5910-01-426-8741
NSN 5975-01-202-0191