BS 939:1977 - Specification for engineers' squares (including cylindrical and block squares)

BS 939:1977

Specification for engineers' squares (including cylindrical and block squares)

Status : Revised, Superseded, Withdrawn   Published : September 1977 Replaced By : BS 939:2007

WITHDRAWN TITLE
*To ask about withdrawn titles contact the
BSI Customer Services
cservices@bsigroup.com, +44 345 086 9001


Squares of try-square type in three grades of accuracy: AA, A, B; cylindrical squares in grade AA; solid form block squares in grades AA, A; open form block squares in grades A, B. Nomenclature, designation, sizes, material, manufacture, design, accuracy, marking, protection, testing.




Standard NumberBS 939:1977
TitleSpecification for engineers' squares (including cylindrical and block squares)
StatusRevised, Superseded, Withdrawn
Publication Date30 September 1977
Withdrawn Date31 October 2007
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Replaced ByBS 939:2007
Amended ByAMD 4239
Draft Superseded By74/77492 DC
DescriptorsSquares (instruments), Angular measurement, Dimensional measurement, Accuracy, Dimensions, Dimensional tolerances, Design, Flatness (surface), Smoothness (surface), Marking, Steels, Hardness, Roughness (surface), Test equipment, Precision, Blocks, Cylindrical shape
ICS17.040.30
Title in FrenchSpécification des équerres d'ingénieur (y compris les équerres cylindriques et en forme de bloc)
Title in GermanSpezifikation fuer rechte Anschlagwinkel fuer Ingenieure (einschliesslich von geraden, zylindrischen Staeben und rechteckigen Vierkanten)
CommitteeMTE/1
ISBN0 580 09626 2
PublisherBSI
FormatA4
DeliveryNo
Pages22
File Size515.7 KB
Price£130.00


WITHDRAWN TITLE
*To ask about withdrawn titles contact the
BSI Customer Services
cservices@bsigroup.com, +44 345 086 9001
 Your basket
Your basket is empty

Multi-user access to over 3,500 medical device standards, regulations, expert commentaries and other documents


Collaborate, Innovate, Accelerate.


Tracked Changes

Understand the changes made to a standard with our new Tracked Changes version


BSOL

The faster, easier way to work with standards