FF S 200B(修改件1) 联邦规范 固定螺钉六角套筒和花键套筒无头(2005年6月10日)

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时间:2023-03-16

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上传者:战必胜
INCH-POUND
FF-S-200B
AMENDMENT 1
10 June 2005
FEDERAL SPECIFICATION
SETSCREWS: HEXAGON SOCKET AND
SPLINE SOCKET, HEADLESS
The General Services Administration has authorized the use of this amendment that forms a part of FF-S-200B,
dated 17 August 2004, by all federal agencies.
PAGE 4
3.3: Delete and substitute:
“3.3
Hardness. Alloy steel setscrews shall be hardened by quenching in oil from the hardening temperature and
tempered to a hardness of Rockwell 45-53 HRC. Martensitic corrosion-resisting steel setscrews shall be hardened
by heat treatment to Rockwell 35-45 HRC. Austenitic corrosion-resisting steel setscrews shall have a hardness of
Rockwell 96 HRB – 33 HRC and brass alloy setscrews shall have a hardness of Rockwell 55 – 80 HRF.”
Custodians: Preparing Activity:
Army AR DLA IS
Navy – SH
Air Force 99 (Project 5305-2570)
Review activities:
Army – AT, AV, CR4, EA, MI
Navy – AS, MC, OS, YD
Air Force – 71
AMSC N/A FSC 5305
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