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 6610-01-654-4685
NSN 5910-00-890-0656
NSN 5996-01-301-0117
NSN 6645-00-816-1707
NSN 6110-01-153-2290
NSN 7035-01-492-6799
NSN 6610-00-425-7684
NSN 6110-01-516-3094
NSN 6145-00-139-1203
NSN 7035-00-392-5417
NSN 5985-01-328-8878
NSN 6240-01-007-4516