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 5975-01-215-3473
NSN 5905-00-248-3637
NSN 5855-00-179-8588
NSN 6135-00-145-8884
NSN 5960-00-157-1383
NSN 2925-00-355-5130
NSN 5835-01-214-5402
NSN 6130-01-633-0325
NSN 2925-00-839-6815
NSN 6135-01-286-9563
NSN 6150-00-269-8447
NSN 7035-01-155-0153