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 5999-01-418-5653
NSN 5910-01-528-6226
NSN 5920-01-500-1880
NSN 5990-00-956-7658
NSN 5998-01-190-2497
NSN 5855-00-995-2098
NSN 6130-00-728-5538
NSN 6220-00-635-8818
NSN 6685-01-071-1558
NSN 6610-00-451-8840
NSN 6685-01-523-0419
NSN 5998-00-144-8211