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 2925-01-079-6229
NSN 6150-01-600-1418
NSN 6610-01-543-5705
NSN 5905-00-993-4747
NSN 5855-01-125-9167
NSN 5905-00-117-0274
NSN 6150-00-021-4835
NSN 5910-01-630-8049
NSN 6220-01-411-8267
NSN 4140-00-866-9587
NSN 5905-01-276-1118
NSN 6685-01-555-3596