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 6220-01-051-0363
NSN 5975-00-950-6326
NSN 6240-01-305-0908
NSN 5835-00-936-8753
NSN 6135-00-932-3136
NSN 5960-01-063-6846
NSN 6620-01-348-8256
NSN 5930-00-453-2500
NSN 5895-00-244-6750
NSN 7035-01-106-3476
NSN 6145-01-415-1912
NSN 6620-00-404-0149