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 5975-01-139-9749
NSN 6110-00-960-4437
NSN 5990-00-928-2261
NSN 2925-01-320-6512
NSN 5895-01-243-1621
NSN 5905-01-330-6629
NSN 5925-00-739-8068
NSN 7035-01-292-2580
NSN 5999-01-327-3067
NSN 6320-01-607-0347
NSN 6240-01-500-2442
NSN 6685-01-068-1092