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 5925-01-604-9427
NSN 6135-00-196-5267
NSN 5835-00-165-3069
NSN 6135-00-209-6918
NSN 5905-00-658-7234
NSN 5930-01-157-8219
NSN 5925-01-272-0894
NSN 6145-00-100-4358
NSN 6105-01-453-6510
NSN 2925-00-404-6461
NSN 5920-01-591-1670
NSN 7035-01-069-3537