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 5965-01-567-1087
NSN 6320-00-116-3658
NSN 4140-01-431-9065
NSN 6150-01-406-5844
NSN 4140-00-790-7995
NSN 6620-01-500-3660
NSN 5945-01-504-4743
NSN 7035-01-114-8550
NSN 6145-01-592-1351
NSN 6240-00-526-0243
NSN 4140-00-920-0511
NSN 5935-01-253-0333