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 5996-01-105-0382
NSN 6135-01-604-8739
NSN 7035-00-628-3471
NSN 5985-01-164-7405
NSN 4140-01-258-3099
NSN 6110-00-581-4445
NSN 6650-01-257-1105
NSN 6685-00-455-9941
NSN 6650-01-386-6711
NSN 6150-00-172-0038
NSN 6240-01-469-2957
NSN 5920-01-500-9333