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 5920-01-227-1877
NSN 6110-01-256-2541
NSN 5985-01-297-8827
NSN 5965-00-396-3411
NSN 6105-00-336-3323
NSN 5945-00-536-3985
NSN 5895-01-330-7025
NSN 7035-00-567-7511
NSN 6135-00-992-8750
NSN 6220-01-411-6542
NSN 6145-01-422-4371
NSN 4140-01-246-5358