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 5960-00-467-7400
NSN 6220-01-212-0891
NSN 6620-00-269-5168
NSN 7035-01-518-0561
NSN 5985-00-141-9036
NSN 5855-00-403-1031
NSN 5960-01-338-3412
NSN 5996-01-062-0807
NSN 4140-00-246-4969
NSN 2925-01-123-5856
NSN 5935-01-514-3221
NSN 5855-00-951-6483