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 5920-00-320-3061
NSN 5985-01-126-3124
NSN 6650-01-426-4253
NSN 5990-01-642-1668
NSN 5920-00-901-7419
NSN 6650-00-903-9537
NSN 5945-01-640-7097
NSN 5975-01-420-7241
NSN 6105-01-168-4433
NSN 5905-01-374-4474
NSN 5930-01-439-7537
NSN 5925-01-172-0036