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 5915-01-590-7375
NSN 5920-01-517-1158
NSN 6130-00-715-5579
NSN 6110-00-088-1128
NSN 5930-01-219-9454
NSN 6110-00-763-7152
NSN 6650-00-254-8966
NSN 5895-00-801-9118
NSN 5925-01-487-6830
NSN 5855-01-333-7108
NSN 5945-00-499-7237
NSN 5905-00-625-9624