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 2925-01-344-0281
NSN 5930-00-814-2855
NSN 6620-01-371-5040
NSN 6105-00-432-6774
NSN 5925-01-629-9266
NSN 6610-01-331-2070
NSN 5996-01-569-6049
NSN 6620-00-155-2608
NSN 5975-00-148-0914
NSN 4140-00-248-9441
NSN 5965-00-950-0602
NSN 6620-00-676-9563