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 5996-01-055-6207
NSN 6220-01-270-5118
NSN 5855-01-378-1888
NSN 5996-01-158-5197
NSN 5975-01-037-5143
NSN 5920-01-149-4841
NSN 6645-00-166-7926
NSN 6105-00-162-2060
NSN 5985-00-288-6001
NSN 5950-01-078-6774
NSN 6220-01-248-9783
NSN 6220-01-051-6993