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 6610-01-448-8904
NSN 2925-00-816-8765
NSN 5935-00-165-3949
NSN 4140-01-327-3241
NSN 6240-00-965-5255
NSN 5996-01-032-3599
NSN 6320-00-593-0379
NSN 6220-01-355-0610
NSN 6130-00-647-8471
NSN 6240-01-064-9727
NSN 5965-00-370-3855
NSN 5950-01-381-1767