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 6610-01-129-1053
NSN 5855-01-165-6361
NSN 5945-01-633-1886
NSN 5855-01-096-9294
NSN 2925-00-228-8854
NSN 5855-00-915-7942
NSN 5920-00-510-7656
NSN 5905-00-056-5398
NSN 5925-01-350-4295
NSN 6130-01-601-0002
NSN 6610-00-338-7349
NSN 5925-00-998-2863