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 6110-01-270-8608
NSN 6105-00-834-5234
NSN 6650-01-502-8629
NSN 5935-00-351-0483
NSN 5855-00-896-4047
NSN 6220-00-039-6348
NSN 5985-00-753-1397
NSN 5960-00-367-3735
NSN 5975-01-640-8409
NSN 6135-00-962-4111
NSN 5935-01-518-6259
NSN 6620-01-380-4882