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 5950-00-060-6252
NSN 6135-01-247-5660
NSN 5930-01-091-6244
NSN 5945-01-123-1558
NSN 6110-01-430-2408
NSN 6130-00-198-3496
NSN 6130-01-044-6382
NSN 5975-01-044-5269
NSN 5975-01-401-5355
NSN 5950-01-413-7795
NSN 6240-00-796-6240
NSN 4140-01-123-0262