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 6240-01-521-9781
NSN 5950-01-048-7073
NSN 5950-01-396-2065
NSN 5965-01-005-0341
NSN 5910-00-169-7245
NSN 5855-01-109-1807
NSN 6150-01-559-3433
NSN 5835-01-279-2580
NSN 5990-01-064-6080
NSN 5835-00-729-9305
NSN 5925-00-256-8548
NSN 5975-01-618-3657