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 5915-01-304-9692
NSN 5920-00-786-0112
NSN 6645-01-436-7381
NSN 5925-01-180-0082
NSN 4140-00-878-1222
NSN 5855-00-147-2508
NSN 5965-01-187-8574
NSN 6145-00-144-0918
NSN 6240-01-608-3269
NSN 5930-01-202-6529
NSN 5999-01-265-8592
NSN 6105-00-400-7251