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 2925-00-814-8745
NSN 6650-00-914-6897
NSN 5950-01-471-8138
NSN 5855-01-212-1623
NSN 5930-00-982-8149
NSN 5945-00-455-8546
NSN 5985-01-485-2416
NSN 5835-00-905-7165
NSN 7035-01-306-5226
NSN 6150-00-538-1176
NSN 6620-01-012-2852
NSN 6240-00-138-9124