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 5835-01-109-4775
NSN 6130-01-562-6846
NSN 6240-01-294-2039
NSN 6240-01-128-2476
NSN 2925-01-159-8312
NSN 5905-01-443-1911
NSN 2925-00-899-4261
NSN 6105-01-477-7245
NSN 2925-01-266-5229
NSN 5895-01-261-6457
NSN 5975-01-270-0664
NSN 5975-01-134-3476