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 5920-01-224-4334
NSN 6130-00-532-6861
NSN 6650-01-263-3530
NSN 6150-01-646-9008
NSN 5925-00-695-9414
NSN 5905-00-900-3606
NSN 5905-01-549-1824
NSN 6150-01-440-8994
NSN 5925-01-584-7898
NSN 5920-01-130-5893
NSN 5950-01-565-2666
NSN 6110-01-249-4050