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 5925-01-608-3822
NSN 2925-01-432-8452
NSN 6610-00-773-3004
NSN 6620-00-988-0976
NSN 5998-01-063-5628
NSN 6130-00-575-9721
NSN 6105-01-250-2384
NSN 5950-01-469-8054
NSN 4140-01-004-2040
NSN 2925-01-312-9502
NSN 6135-00-613-1068
NSN 6110-01-162-9677