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 5925-00-704-4491
NSN 4140-01-573-3596
NSN 6610-00-126-6163
NSN 5835-01-381-2683
NSN 5915-01-617-6802
NSN 6645-01-629-0847
NSN 5905-00-995-5091
NSN 5910-00-233-5484
NSN 6145-01-646-3275
NSN 5950-01-110-7128
NSN 5950-00-248-9198
NSN 6610-00-951-4451