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 5998-01-537-4134
NSN 6240-01-624-7655
NSN 5945-01-231-6562
NSN 5920-01-390-8273
NSN 6145-01-338-8344
NSN 5975-01-576-9501
NSN 5835-00-821-8555
NSN 5895-01-014-4524
NSN 5945-01-231-9607
NSN 6620-00-631-4599
NSN 6220-01-311-8773
NSN 6150-00-126-5999