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 5996-00-392-7626
NSN 5925-01-134-4255
NSN 5920-01-389-9582
NSN 5835-01-608-3319
NSN 5975-00-156-3654
NSN 6650-01-502-6761
NSN 5998-01-490-2905
NSN 6685-01-237-1911
NSN 5960-01-068-4003
NSN 5930-01-048-7550
NSN 2925-01-446-6976
NSN 5975-00-541-8531