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 6610-01-352-6344
NSN 6620-01-088-1272
NSN 5835-00-419-6576
NSN 5910-01-422-3308
NSN 6150-01-475-3100
NSN 5985-01-217-5321
NSN 6240-01-011-4844
NSN 2925-00-596-9775
NSN 6145-00-118-8375
NSN 2925-01-394-9658
NSN 5910-01-004-9285
NSN 6650-01-397-1869