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 5925-01-569-8557
NSN 5945-01-462-5903
NSN 5895-00-155-8581
NSN 2925-00-973-9413
NSN 7035-01-076-4067
NSN 6645-01-076-3494
NSN 5998-01-048-5186
NSN 6620-00-151-5363
NSN 6110-00-758-6780
NSN 5950-00-061-7819
NSN 5998-01-119-2982
NSN 6130-01-145-4421