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 6645-00-292-5053
NSN 5945-01-583-5013
NSN 5960-01-165-1956
NSN 4140-01-590-0294
NSN 6110-00-188-3414
NSN 5895-01-558-1075
NSN 5925-01-201-8089
NSN 6150-00-177-4522
NSN 6685-01-535-7087
NSN 6150-01-400-4211
NSN 5920-00-432-1515
NSN 6150-01-625-9644