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 6685-01-250-2669
NSN 6685-00-003-1267
NSN 6145-00-315-8934
NSN 5910-01-351-7926
NSN 5915-01-237-2480
NSN 6240-01-509-1905
NSN 5910-00-097-9546
NSN 6150-00-199-8764
NSN 6150-00-857-8929
NSN 5910-00-304-7862
NSN 5910-01-599-7609
NSN 6110-01-227-2617