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 5910-00-592-4609
NSN 6610-00-727-9918
NSN 5975-01-336-1178
NSN 5935-00-197-2957
NSN 6610-01-513-8405
NSN 4140-00-857-9970
NSN 2925-00-771-7521
NSN 5965-01-133-7459
NSN 5935-00-912-6606
NSN 5945-00-647-3807
NSN 6320-00-593-0379
NSN 5855-01-109-1807