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 4140-00-164-6832
NSN 5950-01-321-1907
NSN 6320-01-299-4749
NSN 5998-01-650-6068
NSN 5855-01-163-8152
NSN 5990-00-313-8688
NSN 5990-00-959-3312
NSN 7035-00-465-3298
NSN 5965-01-357-7595
NSN 5950-00-001-3256
NSN 5935-01-010-0491
NSN 6145-01-368-7358