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 6240-00-351-3375
NSN 6135-01-377-3862
NSN 5950-01-358-7814
NSN 7035-01-482-1356
NSN 5998-01-244-0579
NSN 7035-00-445-9657
NSN 5930-00-886-3291
NSN 5925-01-394-3725
NSN 6150-01-496-5666
NSN 5998-01-525-0109
NSN 5950-01-235-6702
NSN 5920-00-862-8734