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 6130-01-543-0864
NSN 6220-00-386-0997
NSN 5985-01-279-3233
NSN 5950-00-419-1907
NSN 5920-00-573-7512
NSN 5905-01-301-8382
NSN 5950-00-147-4303
NSN 5975-01-487-0396
NSN 6145-00-694-5319
NSN 6320-00-224-3538
NSN 5855-01-561-2677
NSN 5835-01-168-6256