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 6220-00-350-2807
NSN 6240-01-048-3330
NSN 5999-01-043-4733
NSN 7035-01-471-4884
NSN 5985-00-947-6813
NSN 5945-01-260-7741
NSN 5965-01-374-2376
NSN 5855-01-171-8391
NSN 5855-01-121-8862
NSN 5910-01-483-0190
NSN 5960-00-538-6872
NSN 5996-01-250-3912