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 5975-01-011-4068
NSN 5996-01-485-3840
NSN 5930-01-406-4281
NSN 6135-00-942-7970
NSN 6220-01-462-2916
NSN 5975-01-114-6588
NSN 5990-01-411-5930
NSN 5965-01-485-0618
NSN 6650-01-218-4742
NSN 4140-00-954-4695
NSN 5855-00-256-5562
NSN 6105-01-408-7868