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 5855-01-223-0833
NSN 5930-00-176-4065
NSN 2925-01-443-1748
NSN 6135-01-061-1862
NSN 6135-00-080-9176
NSN 5925-00-234-0211
NSN 6320-01-039-5891
NSN 6110-01-178-9231
NSN 5945-00-450-9391
NSN 6320-01-225-0178
NSN 5999-00-840-4442
NSN 6220-00-244-2040