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 2925-01-136-2551
NSN 5920-00-794-4415
NSN 5905-00-060-1613
NSN 6150-01-070-1772
NSN 2925-01-545-2717
NSN 6620-01-322-6193
NSN 5990-01-317-9297
NSN 6320-00-174-1362
NSN 5965-01-522-9247
NSN 5930-01-020-9807
NSN 5895-01-275-3551
NSN 5935-01-346-4971