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 5945-00-648-0552
NSN 6620-00-469-4571
NSN 5975-00-490-1120
NSN 5925-01-069-0276
NSN 5960-00-880-4404
NSN 6130-00-942-1681
NSN 6130-01-461-5788
NSN 5835-01-112-4725
NSN 6130-01-106-3649
NSN 5895-01-469-1398
NSN 6650-01-145-5663
NSN 5960-00-185-5041