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 5999-00-945-7239
NSN 5975-00-600-5847
NSN 6240-00-292-3237
NSN 5910-01-645-2266
NSN 5930-01-107-4395
NSN 5985-00-227-4232
NSN 6240-00-839-5118
NSN 6610-00-155-1334
NSN 5950-01-255-6177
NSN 6610-00-930-1249
NSN 5835-00-707-6266
NSN 5855-00-010-4735