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 5965-00-809-4903
NSN 5975-00-146-0103
NSN 5935-01-264-2141
NSN 6135-01-041-3829
NSN 6240-00-580-0666
NSN 6610-01-406-4985
NSN 5925-00-599-6339
NSN 6610-00-355-0450
NSN 6320-00-070-4544
NSN 6320-01-585-8468
NSN 6610-01-506-7887
NSN 5950-00-566-3966