Screw Threads - UNJ Profile, Inch

Standard:
Issued:
  • 1996-10-01
Revision:
  • Historical. Access the latest revision: AS8879D
Scope:

This SAE Aerospace Standard (AS) specifies the characteristics of the UNJ profile inch series of screw threads, 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. UNJ basic profile and design profiles; b. standard series of diameter-pitch combinations for nomral thread diameters from .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. inspection and verification requirements; g. tables for selected diameter-pitch combinations for aerospace screws, bolts, nuts, shaft and bearing retaining screw threads, fluid fittings, and other component thread sizes; h. tables for UNJ screw threads limiting dimensions and tolerances; and i. symbols for UNJ thread dimensions and tolerances.

History:
Standard Published Revision Status
AS8879D 2012-11-19 Latest Reaffirmed
2003-01-15 Historical Revised
2001-08-01 Historical Revised
1999-01-01 Historical Issued
1996-10-01 Historical Issued
Buy
Select
Price
List
Download
$70.00
Add
Mail
$70.00
Members save up to 20% off list price.
Grade
If you are currently using this technical report:
Share
HTML for Linking to Page
Page URL

Related Items

Article
2013-11-26
Article
2013-12-26
Article
2013-11-25
Article
2013-11-26
Technical Paper / Journal Article
2010-10-19
Technical Paper / Journal Article
2010-10-19