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 6150-00-929-8331
NSN 5835-01-457-7951
NSN 6240-01-116-5988
NSN 5998-01-512-1883
NSN 5996-01-582-0236
NSN 5950-00-501-4650
NSN 5915-01-551-8160
NSN 6150-00-791-9511
NSN 6620-00-137-0332
NSN 5855-01-254-4557
NSN 5855-00-999-6155
NSN 4140-00-255-2458