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 6620-01-586-3040
NSN 5855-01-406-4821
NSN 5975-01-212-3870
NSN 4140-00-922-6366
NSN 6145-01-634-0388
NSN 4140-01-061-9849
NSN 5975-00-985-2748
NSN 6645-00-183-8812
NSN 6105-01-144-7793
NSN 5998-01-367-6060
NSN 6620-01-392-6180
NSN 6145-01-096-5651