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 6620-01-574-6774
NSN 5996-00-209-9105
NSN 6685-00-412-2287
NSN 6220-01-250-9308
NSN 5910-00-016-7148
NSN 6610-01-365-1896
NSN 5835-01-432-1277
NSN 4140-01-307-1405
NSN 5910-00-252-6675
NSN 5835-01-580-0446
NSN 5905-00-187-3506
NSN 6240-01-552-0015