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 5935-00-529-7568
NSN 6620-00-248-6950
NSN 6110-00-679-8961
NSN 6620-00-740-3699
NSN 5935-01-278-9117
NSN 4140-01-394-5720
NSN 5998-01-515-1734
NSN 5998-01-651-8451
NSN 5895-01-451-0035
NSN 2925-01-108-3307
NSN 6105-01-024-9425
NSN 5920-01-552-2143