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 5960-01-123-8775
NSN 5905-01-562-0763
NSN 6650-00-011-3435
NSN 6130-01-160-7772
NSN 5910-00-354-5600
NSN 5945-00-393-1191
NSN 5925-00-960-0164
NSN 5920-00-265-6222
NSN 6685-01-370-8747
NSN 5910-01-407-4519
NSN 5835-00-946-2656
NSN 5915-01-469-9000