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 6620-01-520-4186
NSN 5960-01-449-1310
NSN 5930-00-292-0520
NSN 5905-01-428-1656
NSN 6685-01-580-9640
NSN 5999-01-528-7492
NSN 5910-00-187-1278
NSN 4140-01-575-3270
NSN 5920-01-292-2570
NSN 6610-01-076-4800
NSN 5950-00-783-8287
NSN 5996-00-386-2236