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 5996-01-240-2925
NSN 4140-00-518-2744
NSN 7035-01-641-7384
NSN 5910-00-180-8208
NSN 6320-01-271-0247
NSN 6110-01-021-2637
NSN 6240-00-287-1988
NSN 6240-01-343-9367
NSN 5835-01-229-6964
NSN 6105-01-500-8557
NSN 5985-00-018-1049
NSN 7035-01-537-0033