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 5920-00-444-2127
NSN 4140-00-818-5734
NSN 6135-01-090-5365
NSN 5998-00-883-1629
NSN 5905-01-647-4667
NSN 6145-01-361-8632
NSN 6320-01-459-6992
NSN 5835-01-366-5907
NSN 5950-01-623-3752
NSN 5965-00-823-8623
NSN 6145-01-425-3373
NSN 5935-01-241-6023