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 5985-00-980-2289
NSN 6645-00-470-5310
NSN 4140-01-146-5409
NSN 5935-00-225-8689
NSN 5915-00-257-3178
NSN 5975-01-412-3911
NSN 7035-01-618-1438
NSN 5915-00-108-8542
NSN 5925-01-448-9162
NSN 5975-00-469-1443
NSN 5905-00-767-0286
NSN 6110-01-532-7148