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 2925-01-394-1812
NSN 4140-00-419-0631
NSN 5855-00-494-9581
NSN 5965-01-250-8542
NSN 5950-01-512-1095
NSN 5985-00-288-1861
NSN 5999-01-492-5689
NSN 6240-01-413-8028
NSN 5920-01-522-2759
NSN 6150-01-485-0487
NSN 5990-00-830-5051
NSN 5965-00-849-1313