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 5996-01-512-2030
NSN 6105-01-215-1007
NSN 5945-01-634-0588
NSN 6685-01-579-7559
NSN 5925-01-629-8385
NSN 2925-01-121-3355
NSN 6685-00-522-1513
NSN 5920-01-530-8599
NSN 6685-00-036-7120
NSN 7035-01-633-9537
NSN 5915-01-438-4451
NSN 5855-01-085-5354