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 5998-01-211-6752
NSN 5990-00-162-7273
NSN 5910-00-733-8021
NSN 6150-01-124-0912
NSN 6620-01-054-9346
NSN 5925-00-988-8847
NSN 6240-01-273-4903
NSN 6320-01-390-5385
NSN 6145-01-219-8505
NSN 4140-01-311-9755
NSN 6650-00-871-2983
NSN 7035-01-578-2067