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 6150-00-250-1031
NSN 2925-01-127-0167
NSN 6130-01-531-0552
NSN 5999-01-069-6943
NSN 5835-01-454-5267
NSN 6645-00-521-0353
NSN 6610-01-633-8931
NSN 5950-00-442-4272
NSN 6110-01-648-5878
NSN 6110-00-865-3168
NSN 5835-01-268-1924
NSN 5930-01-527-3890