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 5895-01-048-8618
NSN 4140-01-242-2296
NSN 6220-01-103-6558
NSN 5950-01-199-6416
NSN 6610-00-296-5007
NSN 5996-00-605-8496
NSN 5998-01-481-7183
NSN 6650-01-583-2505
NSN 6240-01-564-5426
NSN 6685-01-173-6987
NSN 6645-01-641-7066
NSN 6650-01-137-3278