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 5935-00-904-9155
NSN 2925-01-607-7754
NSN 5920-01-412-0629
NSN 4140-01-476-5436
NSN 5835-01-058-4513
NSN 5915-01-574-0214
NSN 6685-01-478-5489
NSN 5975-00-293-8166
NSN 5960-01-321-2750
NSN 6320-01-094-2634
NSN 5895-00-795-0522
NSN 5998-00-288-5533