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 5996-00-888-1180
NSN 6145-01-643-0289
NSN 5945-00-248-6798
NSN 7035-01-336-0464
NSN 6620-00-389-8442
NSN 5985-00-044-4809
NSN 5895-01-478-2252
NSN 6135-00-938-1351
NSN 4140-01-219-3096
NSN 6220-01-185-9331
NSN 6110-00-964-3514
NSN 4140-01-499-4677