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 6220-01-034-1231
NSN 6620-00-369-1916
NSN 5835-01-452-7081
NSN 5935-01-420-7848
NSN 6650-00-948-3647
NSN 5910-01-642-6115
NSN 5990-01-065-0492
NSN 6685-00-619-7770
NSN 5990-01-400-3299
NSN 5895-01-145-8507
NSN 6110-00-740-5750
NSN 6320-01-631-7828