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 6685-00-491-3781
NSN 5935-01-332-9934
NSN 6220-00-772-9791
NSN 5999-01-336-2202
NSN 5895-00-113-4647
NSN 6150-01-306-7569
NSN 6240-01-311-1121
NSN 5999-00-205-0918
NSN 5975-01-612-0627
NSN 5990-01-426-7350
NSN 5945-01-023-1668
NSN 5975-00-732-1289