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 6220-01-140-9230
NSN 5990-01-439-4643
NSN 6220-00-960-7591
NSN 5965-01-418-1760
NSN 5960-01-428-7300
NSN 6130-01-165-3223
NSN 5910-00-754-8686
NSN 5985-01-391-9896
NSN 6110-00-862-3097
NSN 5975-00-932-0295
NSN 5915-00-159-7349
NSN 5905-01-143-5989