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 5996-00-435-9393
NSN 6105-01-467-5468
NSN 6650-01-391-4461
NSN 5985-00-786-7942
NSN 5915-01-499-5242
NSN 6150-01-504-0436
NSN 6145-01-115-3464
NSN 6130-01-599-4491
NSN 5950-00-537-6634
NSN 6685-00-955-1232
NSN 5920-01-656-3304
NSN 5990-01-443-2931