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 5895-01-353-7172
NSN 5985-01-023-2367
NSN 5945-01-148-5143
NSN 5960-01-383-6262
NSN 5975-01-536-8928
NSN 5945-00-833-7745
NSN 6610-01-420-7817
NSN 6240-01-392-0455
NSN 5975-01-493-2332
NSN 6685-01-484-9826
NSN 5905-00-816-7089
NSN 4140-01-501-3357