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 5925-01-517-1925
NSN 6110-00-100-4775
NSN 6610-00-179-4326
NSN 5930-00-689-8060
NSN 6620-01-451-3742
NSN 5905-01-029-3864
NSN 5975-01-500-3195
NSN 5990-01-619-0935
NSN 5905-00-834-0387
NSN 7035-01-610-9570
NSN 5945-01-115-1010
NSN 6650-01-426-4253