NBS Special Publication, Issue 250U.S. Government Printing Office, 1965 |
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Page
... Thread plug and ring gages__ Instruments and components . 202. 505 Optical reference planes__ 202. 506 Angle blocks . 202. 507 Polygons .. 202. 508 Master balls_ 202. 509 Gears .... Mass and volume__ 202. 620 General 202. 621 202. 622 ...
... Thread plug and ring gages__ Instruments and components . 202. 505 Optical reference planes__ 202. 506 Angle blocks . 202. 507 Polygons .. 202. 508 Master balls_ 202. 509 Gears .... Mass and volume__ 202. 620 General 202. 621 202. 622 ...
Page 50
... Thread plug and ring gages 202.504 Instruments and components 202.505 Optical reference planes 202.506 Angle blocks 202.507 Polygons 202.508 Master balls Reference standards of mass 202.509 Gears 202.620 General 202.621 202.622 202.623 ...
... Thread plug and ring gages 202.504 Instruments and components 202.505 Optical reference planes 202.506 Angle blocks 202.507 Polygons 202.508 Master balls Reference standards of mass 202.509 Gears 202.620 General 202.621 202.622 202.623 ...
Page 72
... threads . In such cases a grease must be used that will prevent electrolytic corrosion between the mating gages . ( d ) Minimum test fee for calibration work is $ 20.00 . 202.501 Item End standards of length . Description Fee End ...
... threads . In such cases a grease must be used that will prevent electrolytic corrosion between the mating gages . ( d ) Minimum test fee for calibration work is $ 20.00 . 202.501 Item End standards of length . Description Fee End ...
Page 73
... Thread plug and ring gages . ( a ) All thread ring gages must be submitted with the mating plug . All API thread must be submitted with the mating plug or ring . gages Item Description Fee 202.503a Straight thread plug gages and setting ...
... Thread plug and ring gages . ( a ) All thread ring gages must be submitted with the mating plug . All API thread must be submitted with the mating plug or ring . gages Item Description Fee 202.503a Straight thread plug gages and setting ...
Page 74
... thread form as to clearance , for sizes up to and including 10 in . , each_ _ Taper thread plug gages having 60 ° threads - determination of half angles to 3 ' to 15 ' depending on pitch and diameter , lead error and taper to 0.0001 in ...
... thread form as to clearance , for sizes up to and including 10 in . , each_ _ Taper thread plug gages having 60 ° threads - determination of half angles to 3 ' to 15 ' depending on pitch and diameter , lead error and taper to 0.0001 in ...
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Common terms and phrases
Ac-dc accepted for calibration accuracy additional American Standards Association API Standard apparatus Appendix attenuators bolometer bolometer units bulb and liquid Bureau of Standards calibration or test changes in emf charged dependent color temperature condenser microphones current fees decibels Determination diameter Electric electrode electromotive force end of table errors exceeding footnote at end frequency Gage blocks gages-determination glass Group of Standard higher or lower hygrometers ice-point reading indications inductors instruments Invar Item Description Fee laboratory length liquid column mass measurements meter National Reference Group ohms perature phase angle plug Precision pressure Radium ratio reference standards REPORT OF CALIBRATION resistance thermometer resistors ring gages sample saturated standard cells schedule special tests specifications spectrophotometer stability standard resistors submitted for calibration tabulated corrections apply temperature range test points test_ tests not covered thermal conductivity thermocouple thermometer was tested U.S. DEPARTMENT uncertainty voltage dividers waveguide weights
Popular passages
Page 11 - Standard Reference Materials issued by the National Bureau of Standards to calibrate a measurement system, or to produce scientific data that can be referred to a common base. A schedule of prices and amounts, as well as directions for ordering, is included.
Page 49 - ... index markers. Since it is necessary to determine the shift of the principal point resulting from prism effect in the lens, the equivalent focal length of the lens as mounted In the camera is incidentally determined...
Page 55 - ... wire loops, spring balances, tension handles, or other attachments liable to be detached or changed in shape. The error in the total length of the tape, when supported horizontally throughout its length at the standard temperature of 68° F. (20° C.) and at standard tension, shall not be more than 0.1 inch per 100 feet (2 mm per 25 m).