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 6610-01-445-2789
NSN 6240-00-617-1719
NSN 6320-00-483-0451
NSN 5925-01-112-5405
NSN 7035-01-159-9461
NSN 6320-01-643-0850
NSN 5915-01-192-3224
NSN 5950-01-128-3306
NSN 6150-01-453-7519
NSN 5905-00-143-0153
NSN 6150-00-946-1639
NSN 6650-01-037-9755