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 5905-01-166-6546
NSN 5975-01-462-2595
NSN 6240-01-659-8546
NSN 6110-01-183-8376
NSN 2925-00-540-9918
NSN 5985-01-399-2401
NSN 5965-01-213-3989
NSN 5935-01-258-0127
NSN 4140-00-227-8228
NSN 5915-01-629-7884
NSN 5905-01-120-1426
NSN 5996-00-491-6961