FED-STD-H28/21 › Screw Thread Standards for Federal Services Section 21, Metric Screw Threads
Included in this current edition are the following subparts:
REVISION B - Nov. 28, 1984
REV B VALIDATION 2 - Feb. 8, 1995
REV B VALIDATION 3 - Sept. 10, 2001
REV B VALIDATION 4 - Aug. 29, 2006
REV B VALIDATION 5 - Feb. 28, 2019
REV B VALIDATION 6 - Jan. 24, 2024
REV B VALIDATION 2 - Feb. 8, 1995
REV B VALIDATION 3 - Sept. 10, 2001
REV B VALIDATION 4 - Aug. 29, 2006
REV B VALIDATION 5 - Feb. 28, 2019
REV B VALIDATION 6 - Jan. 24, 2024
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FSC Standardization Area THDS (Screw Threads)
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Document Number
FED-STD-H28/21
Revision Level
REVISION B
Status
Current
Publication Date
Nov. 28, 1984
Page Count
14 pages