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 5990-01-458-2531
NSN 5925-01-214-8249
NSN 5945-01-060-5791
NSN 6320-01-082-2970
NSN 5965-01-613-0932
NSN 6110-01-596-1715
NSN 4140-01-242-2296
NSN 5996-00-365-5483
NSN 2925-00-580-4931
NSN 6240-01-377-2560
NSN 5996-01-049-8332
NSN 6105-01-323-6572