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 5960-00-833-9154
NSN 6105-01-298-8808
NSN 6220-01-592-1479
NSN 6135-00-635-9187
NSN 5910-01-618-6407
NSN 6130-00-793-2003
NSN 6620-01-398-8986
NSN 5930-01-611-0829
NSN 6135-00-405-1989
NSN 6135-01-124-2376
NSN 6610-01-327-7148
NSN 6685-01-325-6294