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 6145-00-982-1997
NSN 6240-00-280-8502
NSN 6145-01-386-9658
NSN 5915-01-457-5300
NSN 5950-01-234-8359
NSN 6240-01-167-1831
NSN 5975-01-514-1600
NSN 6320-00-593-0379
NSN 6645-01-632-2272
NSN 5930-00-104-6148
NSN 6130-01-104-1308
NSN 5920-00-340-3002