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 5996-01-478-0831
NSN 5975-01-319-4697
NSN 5965-01-504-8199
NSN 6610-01-141-7014
NSN 5945-00-201-9517
NSN 5915-00-456-0243
NSN 5960-00-467-7400
NSN 6240-00-491-7191
NSN 5925-01-079-8417
NSN 5855-00-973-5717
NSN 5985-01-186-0807
NSN 6620-00-898-2744