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 6685-01-135-4357
NSN 6145-01-392-1146
NSN 6620-01-596-3642
NSN 6150-00-246-6673
NSN 6145-00-528-6467
NSN 6135-01-308-5688
NSN 6240-00-861-2592
NSN 5935-01-569-9890
NSN 5905-01-367-1710
NSN 5950-00-868-6721
NSN 6220-01-453-0548
NSN 5975-01-171-6415