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 5990-01-298-6616
NSN 5945-01-558-2240
NSN 6130-00-234-5858
NSN 2925-00-724-3140
NSN 5985-01-025-0899
NSN 4140-01-551-3469
NSN 7035-01-476-7316
NSN 5998-01-559-8185
NSN 5930-01-535-8860
NSN 6150-01-087-6317
NSN 6110-01-515-2218
NSN 5960-01-104-7839