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 6645-00-664-4665
NSN 6645-01-160-7707
NSN 5990-01-283-9428
NSN 6105-00-204-5497
NSN 6135-01-116-3385
NSN 5999-01-592-4450
NSN 6320-00-284-1524
NSN 5965-01-619-5872
NSN 6240-01-339-5100
NSN 5960-01-197-4461
NSN 5996-01-367-4209
NSN 5915-01-318-6336