Screw gauges. Limit ring tread "not go" gauges. Whitworth thread. Diameter W1/8" - W3"
STANDARD published on 1.11.1964
Designation standards: STN 254155
Classification mark: 254155
Catalog number: 56137
Publication date standards: 1.11.1964
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: Slovak technical standard
Category: Technical standards STN