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 5855-00-411-8688
NSN 6220-01-162-7954
NSN 5925-01-479-9392
NSN 6240-00-225-5128
NSN 5975-01-122-4918
NSN 6145-01-541-0454
NSN 5915-01-145-6071
NSN 6220-01-290-4739
NSN 6150-00-779-5547
NSN 6220-01-300-8126
NSN 5920-01-359-3287
NSN 5920-01-442-8998