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 5915-01-411-1503
NSN 5910-01-053-6988
NSN 6685-01-281-7267
NSN 5990-01-178-4033
NSN 5905-01-244-7537
NSN 5930-00-312-1213
NSN 5999-00-328-2172
NSN 5855-00-782-7714
NSN 6130-01-615-1024
NSN 6110-01-418-7762
NSN 5910-01-232-3447
NSN 6150-01-288-2920