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 5910-00-997-1389
NSN 6110-01-018-7117
NSN 6135-01-483-5269
NSN 6110-01-130-1373
NSN 5950-01-446-6484
NSN 5905-01-448-9381
NSN 6650-01-003-9355
NSN 5998-01-439-1742
NSN 6620-00-753-8929
NSN 5905-00-850-5107
NSN 6240-01-413-7612
NSN 5985-00-880-2134