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 5920-01-538-5737
NSN 6620-01-344-6074
NSN 5905-01-453-2952
NSN 5945-01-343-6899
NSN 5925-01-415-0261
NSN 6320-01-345-5818
NSN 6135-00-833-9909
NSN 5975-01-407-7152
NSN 5915-00-851-1208
NSN 6105-01-258-0027
NSN 4140-01-482-7395
NSN 5905-00-707-4885