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 5925-01-459-3221
NSN 5910-01-363-9515
NSN 2925-01-495-0586
NSN 2925-01-359-9818
NSN 6645-01-217-8809
NSN 6240-00-319-0173
NSN 5996-01-367-4209
NSN 6220-01-270-1454
NSN 6220-01-492-6409
NSN 6150-01-119-0952
NSN 5990-01-400-3299
NSN 5960-01-512-0233