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 6150-01-228-8550
NSN 4140-01-265-0731
NSN 5990-00-212-4316
NSN 6320-01-116-3980
NSN 5935-00-643-9995
NSN 6610-01-107-8993
NSN 6620-00-901-4523
NSN 5920-00-795-6665
NSN 6685-01-123-7244
NSN 5895-00-715-0896
NSN 6135-01-648-2284
NSN 6685-00-139-0897