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 5910-01-399-8737
NSN 5925-00-064-3368
NSN 6135-00-935-2589
NSN 5990-01-128-7599
NSN 5996-00-293-4687
NSN 5835-01-061-6876
NSN 5985-01-168-3405
NSN 5915-00-208-4686
NSN 5996-00-260-8291
NSN 5945-00-807-0169
NSN 5999-01-521-3824
NSN 5930-00-139-5862