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 6685-01-495-2306
NSN 6685-00-188-1991
NSN 2925-01-593-2542
NSN 6110-01-374-4909
NSN 5835-01-442-6482
NSN 6135-01-205-5965
NSN 5930-01-070-1987
NSN 4140-01-146-5409
NSN 5945-01-452-9091
NSN 2925-01-488-5140
NSN 5930-01-180-5466
NSN 5965-00-417-8182