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 5985-00-060-8715
NSN 6650-00-511-8673
NSN 5998-00-233-5831
NSN 5855-01-328-3570
NSN 2925-00-912-3993
NSN 5945-00-201-9456
NSN 5950-00-147-4797
NSN 6620-01-462-0001
NSN 6110-01-127-0952
NSN 6620-00-795-7531
NSN 6145-00-126-1606
NSN 6650-01-229-7500