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 5925-01-406-4093
NSN 6685-01-341-2161
NSN 6110-01-170-8272
NSN 5905-01-223-9525
NSN 5975-00-155-4181
NSN 5920-01-565-9420
NSN 5935-00-484-1291
NSN 5910-00-731-8659
NSN 6110-01-456-7462
NSN 5895-01-345-9728
NSN 5915-01-411-9954
NSN 6145-01-338-5671