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 5990-01-311-2348
NSN 6620-00-646-9474
NSN 5915-01-205-2933
NSN 6650-01-442-0267
NSN 2925-01-055-7607
NSN 6610-00-631-8303
NSN 5990-01-346-5422
NSN 5965-00-529-0602
NSN 5905-00-675-0067
NSN 5999-01-320-4134
NSN 5965-00-139-4870
NSN 6610-01-419-0929