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 5999-01-615-6165
NSN 6110-01-579-6578
NSN 4140-01-158-1401
NSN 6135-01-415-1163
NSN 5905-01-442-7682
NSN 6130-01-080-3616
NSN 5996-01-589-4840
NSN 5855-00-797-8217
NSN 5895-01-456-0383
NSN 6135-01-255-9129
NSN 6240-01-287-6785
NSN 5895-00-265-6229