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 6650-00-499-7446
NSN 6650-00-803-2754
NSN 5965-01-550-7505
NSN 6145-01-032-4557
NSN 5975-00-758-2109
NSN 4140-01-304-2950
NSN 6320-01-630-7629
NSN 5935-00-171-3129
NSN 5990-01-286-0601
NSN 6150-01-122-0637
NSN 5910-01-147-9778
NSN 6105-01-004-0456