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 5998-01-553-9165
NSN 6610-01-265-1824
NSN 5975-00-985-6630
NSN 5895-00-135-9525
NSN 5905-00-950-4265
NSN 5990-01-064-4852
NSN 6220-01-576-5372
NSN 5985-00-892-3200
NSN 5910-01-322-8033
NSN 5920-00-156-9230
NSN 5930-01-650-1629
NSN 5835-01-347-6362