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 5985-01-505-9136
NSN 6220-01-075-6547
NSN 5855-01-552-4759
NSN 6645-01-338-9152
NSN 5920-01-386-5798
NSN 5935-00-938-1561
NSN 5835-01-504-0837
NSN 5930-01-350-8369
NSN 6145-01-582-7329
NSN 5910-00-156-7293
NSN 6130-00-083-3720
NSN 4140-01-423-1005