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 5930-01-509-9378
NSN 6240-00-269-3346
NSN 5945-00-943-0328
NSN 6650-01-412-1040
NSN 6620-01-061-3497
NSN 6220-00-635-8818
NSN 6620-01-412-0938
NSN 5925-01-046-0375
NSN 5855-01-539-4296
NSN 5915-01-346-1833
NSN 6110-01-456-1985
NSN 7035-01-355-7284