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 5905-01-462-2640
NSN 6110-00-914-2420
NSN 5945-01-203-4210
NSN 2925-01-146-0278
NSN 6135-01-513-2083
NSN 6320-00-779-5923
NSN 6105-00-359-2822
NSN 6135-01-386-5709
NSN 5950-00-344-3281
NSN 6240-01-437-8991
NSN 5855-00-491-7079
NSN 5965-00-338-6955