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 5950-00-580-6170
NSN 5935-01-352-6322
NSN 5915-01-415-2477
NSN 5975-01-334-4046
NSN 6135-01-442-7275
NSN 5985-01-141-7059
NSN 7035-01-531-6554
NSN 5945-01-142-3321
NSN 5925-00-975-3924
NSN 4140-01-531-3080
NSN 5835-01-128-9331
NSN 6650-01-127-9518