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 5905-01-231-3250
NSN 5925-01-461-8378
NSN 6110-01-434-1486
NSN 6220-00-929-2208
NSN 4140-01-254-3689
NSN 6150-01-392-5143
NSN 4140-00-966-5762
NSN 6645-01-545-5536
NSN 7035-01-515-2744
NSN 5945-01-014-0624
NSN 6650-01-272-9746
NSN 5990-01-349-8132