Fill plug and o-ring
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 5960-01-279-2589
NSN 5935-01-252-8826
NSN 6130-01-468-6484
NSN 6145-00-241-6400
NSN 5925-01-522-0109
NSN 5915-00-802-0309
NSN 5945-00-369-8757
NSN 5990-01-411-5930
NSN 6620-00-351-9949
NSN 5975-01-468-6319
NSN 5965-00-532-3284
NSN 5960-00-499-6781