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 6620-00-557-7008
NSN 2925-01-100-3694
NSN 5996-01-004-2579
NSN 5925-00-764-1105
NSN 6220-00-794-7834
NSN 7035-01-286-2677
NSN 6610-01-242-9674
NSN 6110-01-426-6924
NSN 5910-01-420-3066
NSN 5895-00-688-7886
NSN 5835-00-770-2843
NSN 6145-01-328-3757