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 5960-00-359-4433
NSN 6145-01-450-0580
NSN 6150-01-381-1667
NSN 5835-00-901-4932
NSN 5998-01-555-8960
NSN 6135-01-247-5660
NSN 2925-01-354-1752
NSN 6650-01-564-0665
NSN 5855-00-455-6070
NSN 5925-01-367-2519
NSN 5835-01-149-4005
NSN 6620-01-031-8180