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 5950-00-482-2521
NSN 5920-01-344-1571
NSN 5855-00-944-0949
NSN 5920-00-959-2810
NSN 5920-00-312-7872
NSN 6135-00-488-4478
NSN 5835-01-258-5597
NSN 5925-01-152-2690
NSN 5965-01-043-5295
NSN 6220-00-577-3434
NSN 6620-01-327-3011
NSN 5855-01-180-5369