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 5920-01-328-8944
NSN 6685-01-618-0177
NSN 6130-01-064-7351
NSN 5960-01-185-1364
NSN 5999-00-391-6202
NSN 4140-01-070-8743
NSN 4140-01-100-4164
NSN 6685-00-153-0266
NSN 5975-01-633-6433
NSN 5998-00-654-5278
NSN 5915-00-870-4654
NSN 5935-01-529-6191