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 6610-01-657-1773
NSN 6130-00-841-8917
NSN 5920-01-160-4351
NSN 5835-01-007-9941
NSN 2925-01-014-0118
NSN 5835-01-452-7081
NSN 5855-00-896-4047
NSN 6685-01-192-6928
NSN 5990-01-115-9488
NSN 5925-01-399-0613
NSN 6620-01-412-5514
NSN 5975-01-173-0332