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 6685-01-601-8144
NSN 6135-01-415-1163
NSN 5920-00-711-1741
NSN 6620-01-148-5191
NSN 6685-01-111-5942
NSN 5930-01-500-4255
NSN 5920-00-874-5620
NSN 5975-00-944-6353
NSN 6650-01-474-7933
NSN 5835-01-182-1966
NSN 6320-00-553-8427
NSN 5835-01-426-6573