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 6110-01-454-9083
NSN 6220-01-414-5268
NSN 5990-00-331-4459
NSN 2925-01-582-4097
NSN 5975-01-121-3455
NSN 6240-01-525-6585
NSN 6320-01-066-1766
NSN 5996-01-456-0488
NSN 5905-00-553-9985
NSN 5855-01-481-3906
NSN 5990-01-061-4169
NSN 5975-01-029-9005