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 6620-01-354-8472
NSN 6320-01-106-4414
NSN 5925-00-642-5253
NSN 5985-01-516-7228
NSN 5910-01-512-1978
NSN 6240-00-635-9953
NSN 6320-01-213-3974
NSN 5999-01-485-2449
NSN 2925-01-629-9416
NSN 7035-01-386-5722
NSN 5998-01-331-6125
NSN 5910-00-112-0937