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 5930-00-707-5696
NSN 5910-01-146-8537
NSN 5915-00-252-1876
NSN 6685-00-716-8943
NSN 6645-01-430-4125
NSN 5855-01-363-0332
NSN 7035-01-007-1802
NSN 5925-01-462-5933
NSN 5975-01-029-4701
NSN 5855-00-198-3197
NSN 6135-01-125-4867
NSN 6620-01-573-1952