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 6150-00-037-5118
NSN 5910-00-900-1646
NSN 6220-01-060-7602
NSN 5998-01-508-5090
NSN 6145-01-290-8293
NSN 5895-01-400-1564
NSN 5998-01-486-0987
NSN 5975-01-212-4306
NSN 6240-00-393-1161
NSN 5999-00-536-7596
NSN 6135-01-263-4073
NSN 6145-01-647-4096