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 5975-01-347-8956
NSN 5930-01-484-0176
NSN 6240-01-488-7927
NSN 6320-01-081-7748
NSN 6645-00-102-0015
NSN 6320-01-429-9871
NSN 5985-01-139-4144
NSN 6110-00-959-7002
NSN 5930-01-566-8682
NSN 5855-00-138-2386
NSN 5915-00-064-5666
NSN 6685-01-643-5753