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 5975-00-147-4791
NSN 6130-00-042-6436
NSN 5915-01-534-5154
NSN 6150-01-316-4881
NSN 6105-01-634-0322
NSN 6110-00-156-0430
NSN 5930-01-231-0258
NSN 5998-00-598-4905
NSN 6105-01-363-5281
NSN 5855-00-879-3659
NSN 5945-01-439-3331
NSN 6240-01-076-5895