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 6150-00-435-0812
NSN 6620-01-615-8637
NSN 4140-01-149-4803
NSN 5935-01-573-4939
NSN 5990-01-233-4178
NSN 5855-00-411-8688
NSN 6650-00-950-4107
NSN 5996-00-156-5967
NSN 5985-01-107-7179
NSN 5999-01-570-1273
NSN 6110-01-338-6746
NSN 2925-01-331-5039