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 6620-01-487-0605
NSN 5960-01-598-9072
NSN 6110-00-608-0854
NSN 5990-01-419-0661
NSN 5996-01-582-4467
NSN 6645-01-160-7707
NSN 6145-00-583-3168
NSN 5999-00-981-1988
NSN 6620-01-651-1315
NSN 6150-00-202-9150
NSN 6320-00-701-0437
NSN 5975-01-496-8111