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 5996-01-310-8411
NSN 6220-01-389-3957
NSN 7035-00-104-7613
NSN 5920-01-114-8248
NSN 2925-01-157-9204
NSN 6685-00-269-6444
NSN 5915-01-184-8387
NSN 6610-00-740-7103
NSN 6610-01-412-0058
NSN 6105-01-318-7669
NSN 6150-00-425-7709
NSN 5990-00-331-4459