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 6110-01-393-7645
NSN 5960-01-515-4791
NSN 6135-01-508-6083
NSN 5915-01-090-9450
NSN 5999-01-610-7635
NSN 4140-01-562-7348
NSN 6135-01-079-7852
NSN 2925-01-415-2140
NSN 5960-01-370-4285
NSN 5996-00-155-6904
NSN 5910-01-030-9069
NSN 4140-01-247-2327