FED-STD-H28/4 › Section 4, Controlled Radius Root Screw Threads, Unj Symbol, Screw-Thread Standards Fo
Included in this current edition are the following subparts:
BASE - March 31, 1978
VALIDATION NOTICE 2 - Aug. 10, 1993
VALIDATION NOTICE 3 - Sept. 10, 2001
VALIDATION NOTICE 4 - Aug. 29, 2006
VALIDATION NOTICE 5 - Feb. 27, 2019
VALIDATION NOTICE 6 - Jan. 4, 2024
VALIDATION NOTICE 2 - Aug. 10, 1993
VALIDATION NOTICE 3 - Sept. 10, 2001
VALIDATION NOTICE 4 - Aug. 29, 2006
VALIDATION NOTICE 5 - Feb. 27, 2019
VALIDATION NOTICE 6 - Jan. 4, 2024
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FSC Standardization Area THDS (Screw Threads)
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Document Number
FED-STD-H28/4
Revision Level
BASE
Status
Current
Publication Date
March 31, 1978
Page Count
4 pages