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 5960-01-438-0245
NSN 5925-01-273-0711
NSN 6240-01-421-6655
NSN 6240-01-388-2413
NSN 6650-00-283-0978
NSN 5925-01-565-8911
NSN 4140-01-094-4571
NSN 5920-01-455-4835
NSN 5920-00-362-1376
NSN 5925-01-503-6177
NSN 6220-00-160-1298
NSN 5935-00-679-0792