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 5910-00-520-8490
NSN 2925-01-511-2667
NSN 5895-01-615-1911
NSN 6240-00-892-1609
NSN 6150-00-174-5029
NSN 2925-01-239-6044
NSN 6320-00-646-3311
NSN 4140-01-428-7650
NSN 6610-01-253-5112
NSN 5965-01-354-9834
NSN 6220-01-086-2080
NSN 5925-00-369-7747