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 6620-00-017-8098
NSN 5990-01-198-0115
NSN 6135-00-676-5807
NSN 5990-01-565-2226
NSN 6620-00-119-2803
NSN 5965-01-474-5632
NSN 5950-00-170-9103
NSN
NSN 5945-01-441-0704
NSN 5835-00-523-0736
NSN 6610-01-250-2811
NSN 2925-01-065-0060