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 5950-01-143-3973
NSN 6645-00-067-7070
NSN 6150-01-372-2405
NSN 6135-00-062-5080
NSN 4140-01-072-5668
NSN 6145-01-550-6351
NSN 6150-01-336-9281
NSN 6135-01-375-6724
NSN 5999-00-854-2148
NSN 5905-01-354-9701
NSN 6620-00-121-9702
NSN 6610-01-266-3447