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 6320-01-521-1764
NSN 6135-01-415-9741
NSN 5910-01-241-7731
NSN 2925-01-342-1712
NSN 6645-01-049-6116
NSN 5999-00-116-3944
NSN 5895-00-480-5892
NSN 5920-01-525-0874
NSN 6220-00-089-0474
NSN 6620-00-088-8795
NSN 5835-00-155-1379
NSN 5965-00-549-0220