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 5985-01-129-4172
NSN 6145-01-342-9693
NSN 5945-01-390-8300
NSN 5855-00-962-5792
NSN 5950-01-546-7686
NSN 5925-01-523-4590
NSN 5910-01-060-0399
NSN 5998-01-439-7734
NSN 5910-00-368-4108
NSN 5920-01-562-4779
NSN 5999-00-916-3871
NSN 5835-00-681-0005