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 6610-01-140-1023
NSN 7035-01-633-9537
NSN 6110-01-196-0623
NSN 6145-01-181-2808
NSN 5895-01-254-2749
NSN 4140-01-573-8264
NSN 6620-01-111-9064
NSN 6110-01-312-6307
NSN 2925-00-546-3129
NSN 5990-01-019-6609
NSN 5930-00-165-0190
NSN 6620-01-015-2470