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 5996-00-631-5001
NSN 6135-00-120-1034
NSN 5925-01-372-0203
NSN 6320-01-512-2031
NSN 6240-00-469-7986
NSN 6105-01-213-0142
NSN 6145-00-244-2946
NSN 6130-01-509-1945
NSN 6685-00-056-3110
NSN 5965-00-015-7408
NSN 5905-01-078-0925
NSN 2925-01-528-7333