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 5998-01-126-5042
NSN 4140-00-267-4541
NSN 6685-00-953-5449
NSN 2925-00-609-8180
NSN 5855-00-294-7532
NSN 6650-01-645-2850
NSN 5920-01-102-3248
NSN 4140-00-181-0727
NSN 6150-00-549-9779
NSN 5965-01-560-4842
NSN 6650-00-287-5868
NSN 5996-01-034-7616