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 5990-01-378-7349
NSN 6610-01-367-5110
NSN 5990-01-337-4584
NSN 4140-00-099-9205
NSN 5998-01-263-4518
NSN 5925-01-119-4393
NSN 6650-01-207-2905
NSN 5920-00-296-0531
NSN 6220-00-527-1177
NSN 5935-01-349-1032
NSN 5895-00-887-9070
NSN 5925-01-497-5344