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 6610-01-493-6269
NSN 4140-01-127-6112
NSN 5935-01-641-7591
NSN 6610-01-273-2075
NSN 6620-01-527-8400
NSN 5930-00-058-1588
NSN 5975-01-556-6572
NSN 5945-00-170-5885
NSN 5920-00-119-1406
NSN 6150-01-170-5658
NSN 5990-00-082-3107
NSN 7035-01-445-3563