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 6240-00-174-8902
NSN 5960-00-773-2406
NSN 6685-00-045-5243
NSN 6150-01-061-7523
NSN 5895-01-527-9705
NSN 5950-01-242-8888
NSN 6105-00-920-7436
NSN 5990-01-633-9503
NSN 5945-00-174-6901
NSN 6135-01-068-0119
NSN 2925-01-381-5307
NSN 6130-01-020-9004