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 6320-01-422-0765
NSN 5855-00-631-4565
NSN 5855-00-455-6070
NSN 4140-00-443-1210
NSN 4140-00-910-3425
NSN 5965-01-258-5662
NSN 5925-01-632-1638
NSN 5935-01-224-7281
NSN 5835-00-257-2852
NSN 5895-00-420-1384
NSN 6620-01-182-6076
NSN 6320-01-578-6006