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 4140-00-952-2287
NSN 4140-01-098-0213
NSN 6685-01-630-5459
NSN 5925-00-553-2274
NSN 5975-00-077-9055
NSN 6110-01-564-0790
NSN 7035-01-398-1655
NSN 5835-00-823-6116
NSN 2925-00-555-8836
NSN 5895-01-326-0749
NSN 5895-00-445-5607
NSN 6145-00-366-5790