National Item Identification Number
National Stock Number
Federal Supply Class
A part basically circular in shape, designed to cover or seal the filler-neck or inlet opening of a fuel tank, radiator, oil reservoir, liquid storage tank or the like. It may be either permanently attached to the object for which it is designed or provided with a means of removal and replacement. Excludes CAP, VENT, FUEL STORAGE TANK; and COVER (1), (as modified).
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL