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 5990-01-272-4091
NSN 5975-01-257-3494
NSN 6220-01-650-6302
NSN 6220-00-822-4426
NSN 5915-01-174-3462
NSN 5895-01-115-6467
NSN 5985-01-449-3240
NSN 4140-00-155-8012
NSN 5910-01-056-8228
NSN 6145-01-354-6349
NSN 5835-00-170-5238
NSN 6130-00-814-5888