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 6610-01-327-3187
NSN 5975-00-360-2166
NSN 6650-01-485-3444
NSN 6610-01-399-7613
NSN 6130-00-070-1513
NSN 6130-00-964-9083
NSN 2925-01-190-3121
NSN 5935-00-974-5683
NSN 6320-00-583-3105
NSN 5835-00-168-9623
NSN 6145-01-536-0189
NSN 6135-01-111-1495