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 6645-01-066-1679
NSN 6220-01-474-3967
NSN 6320-00-841-2279
NSN 7035-00-991-6877
NSN 5930-01-618-5085
NSN 6610-01-633-8931
NSN 5985-01-054-1502
NSN 5965-01-625-4776
NSN 6320-01-372-2796
NSN 5905-00-388-6346
NSN 5996-01-625-4824
NSN 5910-00-673-4076