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 5999-00-369-9457
NSN 6220-01-265-8650
NSN 6620-00-286-5721
NSN 5999-00-107-5622
NSN 5835-01-442-6482
NSN 6320-00-468-8421
NSN 6105-00-785-7265
NSN 5950-01-560-3828
NSN 5920-01-634-0250
NSN 5960-01-210-9762
NSN 5925-01-262-6152
NSN 5998-00-286-3590