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 5920-01-517-1158
NSN 5835-01-350-0566
NSN 7035-01-546-8110
NSN 6135-01-576-8491
NSN 6145-01-162-8388
NSN 6610-01-064-0384
NSN 5965-01-260-5781
NSN 5930-01-155-1282
NSN 5920-01-389-6013
NSN 5996-01-546-2025
NSN 5950-01-056-3621
NSN 6110-01-158-6138