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Designation standards: SAE MA1370A
Publication date standards: 1.4.2024
SKU: NS-1170956
Country: American technical standard
Category: Technical standards SAE
This standard specifies the characteristics of the MJ profile metric series of screw threads, altered from ISO 68 M Profile, to include a mandatory controlled radius of 0.18042P to 0.15011P at the root of the external thread and with the minor diameter of both external and internal threads increased to provide a basic thread height of 0.5625H in order to accommodate the external thread maximum root radius. The following detailed requirements are included:
a
MJ basic profile and design profiles
b
Standard series of diameter-pitch combinations for nominal thread diameters from 1.6 to 200 mm
c
Standard thread classes and form tolerances
d
Formulae for thread dimensions and tolerances
e
Method of designating MJ threads
f
Inspection requirement
g
Tables for selected diameter-pitch combinations for aerospace screws, bolts, nuts, shaft and bearing retaining screw threads, and fluid fittings thread sizes
h
Tables for MJ screw threads limiting dimensions and tolerances
i
Symbols for MJ thread dimensions and tolerances
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard
Stabilized: Apr 2024
Latest update: 2024-05-17 (Number of items: 2 902 148)
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