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 2925-01-572-9472
NSN 5990-01-563-1554
NSN 5935-01-198-0282
NSN 5990-00-107-0835
NSN 6650-01-113-7563
NSN 6135-00-097-8162
NSN 5915-01-479-3775
NSN 6150-00-812-1965
NSN 5915-00-797-8750
NSN 6135-01-236-8603
NSN 6320-01-457-2805
NSN 6650-00-597-7313