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Many military contracts require compliance to MIL-STD-461E. The latest revision (as of 2015) is known as "MIL-STD-461G". [3] While MIL-STD-461 compliance is technically not required outside the US military, many civilian organizations also use this document. [4] In 1999, MIL-STD-462 was combined with MIL-STD-461D into MIL-STD-461E. [5]
The typical Brinell Hardness range of MIL-A 12560 is 302-400 [2] The MIL-12560K standard actually specifies four classes of hardnesses. The softest class I rates as 260-310. The toughest Class 4 rates as 420-470. [3] (K is the revision number of the standard.) MIL-DTL-46177 is an older, now-replaced standard for a high hardness steel RHA. [4]
The Toughbook CF-U1 is a fully rugged ultra-mobile PC that runs the full Windows 7 Professional operating system. It has a 5.6” LCD touch screen and dual hot-swappable batteries. It has a sealed, fan-less design that meets MIL-STD-810G and IP65 standards for environmental conditions, including withstanding a drop of 6 feet from any angle. [26]
MIL-STD-1246, particle and molecular contamination levels for space hardware (has been replaced with IEST-STD-CC1246D). MIL-STD-1376, guidelines for sonar transducers, specifically piezoelectric ceramics; MIL-STD-1388-1A, Logistics support analysis (LSA) (canceled and s/s by MIL-HDBK-502, Acquisition Logistics)
This is the velocity at which 50 percent of the shots go through and 50 percent are stopped by the armor. US military standard MIL-STD-662F V50 Ballistic Test define a commonly used procedure for this measurement. The goal is to get three shots that penetrate that are slower than a second faster group of three shots that are stopped by the armor.
Structural steel welding - Stud welding (steel studs to steel) AS/NZS 1554.3: Structural steel welding - Welding of reinforcing steel AS/NZS 1554.4: Structural steel welding - Welding of high strength quenched and tempered steels AS/NZS 1554.5: Structural steel welding - Welding of steel structures subject to high levels of fatigue loading AS ...
A MIL-DTL-38999 circular connector plated with a nickel–teflon composite. Left: plug (male) type connector; Right: receptacle (female) type connector) Electrical or fiber-optic connectors used by U.S. Department of Defense were originally developed in the 1930s for severe aeronautical and tactical service applications, and the Type "AN" series set the standard for modern military circular ...
ASTM A992 is currently the most available steel type for structural wide-flange beams. The industry's technical institute describes the standard thus: "ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) is the preferred material specification for wide-flange shapes, having replaced ASTM A36 and A572 grade 50. There are a couple of noteworthy enhancements ...