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 5999-01-560-5544
NSN 5990-01-248-5294
NSN 5925-00-728-5217
NSN 6685-01-500-9530
NSN 5920-01-569-1960
NSN 7035-01-443-3052
NSN 2925-01-100-3694
NSN 5935-00-266-8349
NSN 7035-00-541-8516
NSN 6620-01-271-8984
NSN 5835-01-027-1828
NSN 2925-01-424-0235