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 6240-01-111-5623
NSN 5996-01-317-9389
NSN 6610-01-311-1760
NSN 5905-00-143-8498
NSN 5945-01-449-2199
NSN 5905-00-200-1402
NSN 5930-01-169-1000
NSN 6145-01-510-8545
NSN 6650-00-929-8113
NSN 6645-01-526-5989
NSN 6610-01-466-9985
NSN 5930-00-514-0582