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 5945-01-494-4267
NSN 5835-01-381-2683
NSN 6620-01-629-4045
NSN 7035-01-461-1066
NSN 5855-01-249-0717
NSN 6145-01-225-2210
NSN 7035-01-024-9511
NSN 7035-00-003-7518
NSN 6145-01-088-3461
NSN 5975-01-191-6206
NSN 4140-00-133-7986
NSN 6220-01-556-6945