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 6145-01-525-8140
NSN 6145-00-757-9479
NSN 6135-00-168-9352
NSN 5935-01-386-7214
NSN 6320-01-411-7456
NSN 5925-00-314-3611
NSN 6650-00-754-2276
NSN 6105-01-152-1510
NSN 5998-01-184-1854
NSN 7035-01-520-6493
NSN 5835-00-568-2956
NSN 5999-01-442-5446