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 6645-01-316-2183
NSN 5835-01-042-9943
NSN 5996-00-219-6118
NSN 5975-01-099-0597
NSN 5985-01-446-9355
NSN 6685-00-227-6750
NSN 5905-01-239-6341
NSN 6130-00-441-7695
NSN 6145-01-009-0362
NSN 6610-00-361-6954
NSN 5910-01-500-4594
NSN 6685-00-128-2318