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 6110-01-352-6438
NSN 5835-01-631-3940
NSN 6320-00-937-5625
NSN 6610-01-293-8156
NSN 5965-01-499-3184
NSN 5925-01-502-6475
NSN 6320-00-788-5297
NSN 6650-01-449-3042
NSN 5998-01-245-0290
NSN 4140-01-244-5140
NSN 2925-01-027-1293
NSN 5996-01-086-5290