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 6145-01-270-6755
NSN 6240-01-394-8592
NSN 5998-01-248-2344
NSN 5990-01-431-6749
NSN 6110-01-501-2359
NSN 5895-01-322-8176
NSN 5960-01-452-1907
NSN 7035-01-412-3692
NSN 6620-00-311-0549
NSN 5905-01-558-7995
NSN 5996-01-008-3412
NSN 5930-01-111-0087