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 6620-01-299-4563
NSN 6105-00-424-6283
NSN 6320-00-468-8421
NSN 5925-01-075-8932
NSN 7035-01-008-7248
NSN 4140-01-270-9624
NSN 5855-01-350-5540
NSN 6145-00-982-8630
NSN 5910-01-383-5896
NSN 5999-00-941-6522
NSN 6220-01-643-6237
NSN 5915-00-467-1585