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 5930-01-173-3233
NSN 6110-01-446-6288
NSN 5930-01-576-9428
NSN 6105-01-471-8085
NSN 4140-01-344-0701
NSN 5925-01-025-0322
NSN 2925-01-038-7625
NSN 6105-00-865-2746
NSN 5895-01-031-8460
NSN 5925-01-420-7589
NSN 5990-00-804-0678
NSN 5999-01-513-1964