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 6220-01-340-9522
NSN 5999-01-597-4880
NSN 5910-00-372-4555
NSN 5915-01-088-6908
NSN 5895-01-200-9986
NSN 6110-00-428-8106
NSN 4140-01-110-7685
NSN 5905-01-233-9266
NSN 6135-00-686-4777
NSN 5855-01-500-6617
NSN 6320-01-592-6248
NSN 6135-01-560-8130