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 4140-00-401-7851
NSN 5996-01-248-9699
NSN 6650-00-035-9297
NSN 5910-01-403-2812
NSN 6150-01-067-8376
NSN 6135-00-347-0595
NSN 5835-01-452-4947
NSN 5855-01-559-5619
NSN 5895-01-112-9000
NSN 5935-01-028-6762
NSN 6320-01-245-5307
NSN 2925-01-180-2960