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 2925-01-090-2391
NSN 5998-00-399-0030
NSN 5935-01-365-2492
NSN 6240-01-218-3828
NSN 6110-01-386-7457
NSN 6620-01-354-2824
NSN 6105-00-156-9084
NSN 6240-01-365-7358
NSN 5950-01-534-4322
NSN 5925-01-204-6888
NSN 5855-00-055-1694
NSN 5915-01-389-0812