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 4140-01-100-1223
NSN 2925-00-972-8180
NSN 5835-01-432-8801
NSN 6145-00-759-6745
NSN 5950-00-929-1120
NSN 6110-01-565-2537
NSN 5835-01-158-6878
NSN 6105-01-442-3081
NSN 6650-01-004-1625
NSN 5895-01-331-8811
NSN 5960-00-892-3809
NSN 6135-01-562-3056