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 6135-01-503-1688
NSN 5960-00-168-1678
NSN 5975-00-752-4926
NSN 5950-01-024-9461
NSN 6645-00-759-3962
NSN 5895-00-677-8640
NSN 5905-01-094-8009
NSN 6610-00-650-4328
NSN 6135-01-641-4356
NSN 6685-00-164-7014
NSN 5895-01-230-0266
NSN 5920-00-549-2203