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 5945-00-526-0310
NSN 5905-00-133-4284
NSN 5990-01-498-0641
NSN 4140-00-917-2514
NSN 5945-01-093-7450
NSN 5996-00-005-4257
NSN 5915-01-381-7661
NSN 5945-01-247-3894
NSN 7035-01-550-8668
NSN 6150-00-500-8097
NSN 6135-01-493-8375
NSN 5915-01-025-7171