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 6110-00-852-0683
NSN 5895-00-862-5499
NSN 5920-01-397-2754
NSN 6135-01-084-1609
NSN 6620-00-082-1525
NSN 5910-00-104-9132
NSN 5985-00-241-6701
NSN 7035-01-038-0847
NSN 5945-01-143-7768
NSN 5920-00-108-5399
NSN 5975-00-111-3208
NSN 7035-01-455-3482