
Screw gauges. Reference gauges for ring thread "not go" gauges. Whitworth thread. Diameter W1/8" - W3"
STANDARD published on 1.11.1964
    
        Designation standards: STN 254156
                Classification mark:  254156
                
                Catalog number:  56138
                
                
               
                Publication date standards:  1.11.1964
        The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
        Country:          Slovak technical standard
        Category: Technical standards STN