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 6110-01-237-5440
NSN 6645-01-059-7090
NSN 5835-00-998-5757
NSN 5920-01-287-1542
NSN 5855-01-437-6161
NSN 6320-01-426-8947
NSN 5935-00-719-6704
NSN 6135-00-803-3012
NSN 6320-01-353-9753
NSN 5930-00-235-0108
NSN 6685-01-545-9686
NSN 6320-01-064-0372