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 5905-00-919-7032
NSN 6620-01-352-5640
NSN 5925-00-163-3953
NSN 6240-01-212-9535
NSN 5960-01-512-0233
NSN 4140-01-187-1819
NSN 6105-01-416-4029
NSN 5910-01-590-3325
NSN 5965-01-628-7911
NSN 6645-01-084-9074
NSN 6135-00-134-6648
NSN 5935-00-427-4414