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 6110-01-524-0457
NSN 6150-00-420-2407
NSN 6130-01-412-2531
NSN 7035-01-420-5404
NSN 5910-00-845-2533
NSN 5920-01-198-6805
NSN 5998-01-211-4988
NSN 6240-01-648-0661
NSN 5960-01-051-9405
NSN 6105-01-141-6359
NSN 5990-01-133-0351
NSN 5985-01-047-8161