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 6240-01-231-9243
NSN 5930-01-186-0521
NSN 6610-01-289-9650
NSN 7035-00-861-7913
NSN 6145-01-224-7228
NSN 7035-00-295-0451
NSN 5990-00-616-4289
NSN 5905-01-497-0125
NSN 6685-00-960-7667
NSN 6610-01-112-0447
NSN 5975-01-088-0484
NSN 6320-00-456-0836