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 7035-00-470-4977
NSN 5915-00-180-1378
NSN 6135-01-167-7604
NSN 7035-01-421-4446
NSN 5925-00-939-4979
NSN 6220-01-391-8687
NSN 5935-00-271-3205
NSN 6110-01-520-5423
NSN 6650-00-641-6139
NSN 5935-01-644-8967
NSN 6130-00-216-7376
NSN 6650-01-346-1396