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 6645-00-435-5610
NSN 5990-00-067-6791
NSN 6110-01-133-9955
NSN 5920-00-248-8896
NSN 2925-00-802-9387
NSN 5905-01-514-7467
NSN 5920-00-269-6178
NSN 6130-01-371-6809
NSN 6650-01-408-0422
NSN 5835-00-949-3018
NSN 5985-01-471-6216
NSN 6240-01-156-8428