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 5990-01-147-5225
NSN 6145-00-891-6779
NSN 5905-01-647-5541
NSN 6145-01-200-6377
NSN 6240-01-417-6330
NSN 7035-01-150-1917
NSN 7035-00-631-3782
NSN 5835-01-067-9271
NSN 5910-01-249-3081
NSN 4140-01-160-7699
NSN 5905-00-992-7947
NSN 6240-01-504-7064