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 6610-00-401-2601
NSN 6620-00-100-4517
NSN 6610-01-575-4348
NSN 7035-01-425-4496
NSN 5985-01-044-4530
NSN 6110-01-324-3816
NSN 5930-00-175-7622
NSN 6150-01-497-2058
NSN 4140-00-704-7615
NSN 5945-00-192-0245
NSN 6130-01-483-1494
NSN 5905-00-440-4294