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 5960-00-148-4493
NSN 5920-00-875-6385
NSN 5920-00-592-7598
NSN 4140-00-505-1684
NSN 5945-00-884-0324
NSN 5895-01-393-2523
NSN 5915-01-137-8761
NSN 5960-01-241-1844
NSN 6620-00-575-9230
NSN 6130-01-294-2126
NSN 5975-00-063-3736
NSN 6220-01-320-2641