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 2925-01-159-0506
NSN 5960-00-246-4623
NSN 5945-00-619-3553
NSN 5910-01-448-0956
NSN 4140-01-595-9831
NSN 6650-01-537-0443
NSN 7035-00-124-9383
NSN 6150-01-414-8802
NSN 6645-01-646-2953
NSN 6320-01-607-1491
NSN 6650-01-303-4662
NSN 5835-00-059-5854