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 6685-01-622-8034
NSN 5925-01-415-3084
NSN 6135-01-226-4071
NSN 5985-01-158-2557
NSN 6685-01-438-1809
NSN 6130-01-572-2676
NSN 6610-01-033-2402
NSN 6645-00-269-8440
NSN 6620-01-336-8670
NSN 6620-01-106-9100
NSN 5855-00-797-8217
NSN 6130-00-254-1857