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 5925-01-161-7319
NSN 4140-00-057-7298
NSN 7035-01-106-3476
NSN 5855-00-198-3197
NSN 7035-01-462-1957
NSN 5910-01-003-2354
NSN 5990-01-246-2488
NSN 6220-00-737-0869
NSN 5930-01-459-4779
NSN 5920-01-353-6423
NSN 5990-00-104-4903
NSN 5945-01-467-0479