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 5930-01-381-6277
NSN 5975-00-843-1798
NSN 6650-01-399-8552
NSN 5855-00-791-5000
NSN 6220-01-143-0693
NSN 6685-00-956-8438
NSN 5915-00-888-4379
NSN 6145-01-230-1866
NSN 5996-01-316-4275
NSN 6220-00-851-9037
NSN 5935-01-529-6522
NSN 6320-01-578-6006