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 5960-01-134-4099
NSN 4140-00-146-9109
NSN 5835-00-138-7807
NSN 5998-00-223-9806
NSN 6220-00-828-9843
NSN 5996-00-127-3325
NSN 5999-01-187-6781
NSN 5945-00-206-2774
NSN 5855-00-138-2386
NSN 5965-00-050-5456
NSN 2925-01-633-4048
NSN 5905-01-413-2486