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 5910-01-341-3640
NSN 5999-00-147-9978
NSN 6220-01-376-9287
NSN 4140-01-610-1017
NSN 5905-00-242-2737
NSN 5930-00-375-9176
NSN 6110-01-121-0029
NSN 5945-01-345-3702
NSN 6650-01-424-8048
NSN 5999-01-180-6823
NSN 6645-00-974-7120
NSN 5990-00-683-1095