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 5930-00-660-3950
NSN 6620-01-133-4193
NSN 5975-01-333-6004
NSN 7035-01-326-9980
NSN 5996-00-199-0073
NSN 6130-01-546-6969
NSN 5945-01-126-2471
NSN 5920-01-094-4327
NSN 5925-01-398-0517
NSN 5945-01-104-4926
NSN 5998-01-262-2998
NSN 5960-00-167-7875