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 6645-01-098-5077
NSN 6620-00-349-4703
NSN 6220-01-376-3676
NSN 6105-01-141-6359
NSN 2925-01-411-0896
NSN 6320-01-354-4974
NSN 5920-00-004-0274
NSN 6105-00-990-4795
NSN 5835-01-321-7895
NSN 6240-01-618-6808
NSN 5996-00-805-7621
NSN 6650-01-573-7165