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 6620-00-247-7427
NSN 5915-01-389-1065
NSN 5960-01-515-4791
NSN 4140-01-525-7692
NSN 6685-01-176-2445
NSN 6645-00-121-7566
NSN 6130-01-443-2448
NSN 5855-01-154-1402
NSN 4140-01-064-1684
NSN 6150-01-283-7945
NSN 5975-01-273-0971
NSN 5935-00-153-2785