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 5965-01-429-0881
NSN 5975-01-158-7483
NSN 5999-01-100-0921
NSN 6130-01-426-8841
NSN 7035-01-411-6062
NSN 6130-00-258-2716
NSN 5855-01-249-0717
NSN 6110-00-430-9659
NSN 5960-00-902-0942
NSN 6135-00-078-9931
NSN 6240-01-555-7701
NSN 6135-01-558-4194