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 6240-00-785-1209
NSN 5855-01-495-2670
NSN 6130-01-484-8002
NSN 5950-01-015-8858
NSN 5930-01-373-3089
NSN 6220-01-650-9233
NSN 6135-00-269-5843
NSN 5855-00-247-7219
NSN 6320-01-253-9585
NSN 5990-00-524-2293
NSN 6685-01-160-9447
NSN 6610-01-351-4607