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 6320-01-631-7828
NSN 5996-01-043-2105
NSN 6130-00-541-8468
NSN 6110-01-085-6698
NSN 5905-00-604-3041
NSN 5998-01-398-1424
NSN 7035-01-421-2398
NSN 6620-00-153-0982
NSN 4140-01-061-2039
NSN 5950-00-997-2501
NSN 5915-01-277-8189
NSN 6130-01-400-3651