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Screw Threads - UNJ Profile, Inch Controlled Radius Root with Increased Minor Diameter
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STANDARD published on 1.4.2024
Designation standards: SAE AS8879D
Publication date standards: 1.4.2024
SKU: NS-1170943
Country: American technical standard
Category: Technical standards SAE
This SAE Aerospace Standard (AS) specifies the characteristics of screw threads - UNJ profile inch series, including a mandatory controlled radius as specified in Table 1 at the root of the external thread. The minor diameter of both external and internal threads provides a basic thread height of .5625H to accommodate the external thread maximum root radius. The following detailed design requirements are included:
a
Screw threads - UNJ basic profile and design profiles.
b
Standard series of diameter-pitch combinations for nominal thread diameters from 0.060 to 6.000 inches.
c
Standard thread classes and form tolerances.
d
Formulae for thread dimensions and tolerances.
e
Method of designating UNJ threads.
f
Tables for selected diameter-pitch combinations for close tolerance mechanical thread applications.
g
Tables for screw thread - UNJ profile thread limit dimensions.
SUBJECT TAXONOMY: Parts, Fasteners, Gas turbines, Hybrid engines, Jet engines
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard
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Latest update: 2024-05-03 (Number of items: 2 896 946)
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