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 4140-01-631-3603
NSN 6685-01-312-2979
NSN 5915-00-952-0594
NSN 7035-00-541-8516
NSN 5999-01-056-3300
NSN 5855-01-046-7273
NSN 6645-01-469-2458
NSN 5999-00-907-6627
NSN 5855-01-162-5251
NSN 5935-00-848-2705
NSN 5998-00-140-3294
NSN 7035-01-193-2667