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 2925-01-430-4206
NSN 5905-00-398-0778
NSN 5915-00-376-9388
NSN 5975-00-789-6209
NSN 6610-01-152-1463
NSN 5855-01-141-8227
NSN 5965-01-330-9152
NSN 6135-01-286-9563
NSN 6130-01-634-0603
NSN 5990-00-293-6031
NSN 6240-01-584-0805
NSN 6145-01-167-1107