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 6135-00-255-1340
NSN 6130-01-468-0656
NSN 6320-01-415-0953
NSN 5930-01-134-8065
NSN 5895-00-068-7134
NSN 6220-01-423-8319
NSN 5835-01-205-6614
NSN 6610-01-346-8241
NSN 6150-01-182-4955
NSN 5950-01-265-2405
NSN 5999-00-539-9934
NSN 5835-01-150-6084