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 5950-00-639-9675
NSN 5998-00-111-1122
NSN 5975-01-558-3089
NSN 5930-00-117-6317
NSN 2925-01-660-0669
NSN 6240-01-088-7629
NSN 6130-01-166-2754
NSN 5996-01-216-0702
NSN 6135-00-110-1981
NSN 5915-00-403-2600
NSN 5996-01-501-6165
NSN 6610-01-514-7181