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 6620-01-103-7508
NSN 6320-01-145-2742
NSN 5996-01-445-7284
NSN 5855-00-997-6225
NSN 6645-01-254-0489
NSN 6650-00-760-1385
NSN 4140-01-487-1701
NSN 6240-01-474-3039
NSN 5905-00-950-5781
NSN 6220-01-258-1283
NSN 5975-01-357-4238
NSN 6650-01-084-5537