SAE AS 9712-2000 pdf download SCREW, MACHINE – DOUBLE HEXAGON, EXTENDED WASHER HEAD, DRILLED, SILVER PLATED, CORROSION & HEAT RESISTANT STEEL, .138-40 UNJF-3A
REQUIREMENTS:
1.MATERIAL: CORROSION AND HEAT RESISTANCE STEEL IN ACCORDANCE WITH AMS 5708.
2.FINISH: SILVER PLATE IN ACCORDANCE WITH AMS 2410 .002.0006 THICK AT THREAD PD. DIMENSIONS SPECIFIED ARE AFTER PLATING.
3.THREADS: THREADS IN ACCORDANCE WITH MIL -S-8879. INCOMPLETE THREADS NOT TO ENTER FILLET.
4.WRENCHING CONFIGURATION: WRENCHING CONFIGURATION IN ACCORDANCE WITH AS 870.
5.DIMENSIONING AND TOLERANCING: DIMENSIONING AND TOLERANCING SHALL BE IN ACCORDANCE WTH ANSI Y14.5M.
6.SURFACE TEXTURE: SURFACE TEXTURE, UNLESS OTHERWISE SPECIFIED, SHALL BE 125 MICROINCHES EXCEP UPSET HEAD IN ACCORDANCE WITH ANSI B46.1.
7.FLUORESCENT PENETRANT INSPECTION: FLUORESCENT PENETRANT INSPECTION SHALL BE IN ACCORDANCE WITH AMS 2645-83 BEFORE PLATING.
B.HEAD TO SHANK FILLET: HEAD TO SHANK FILLET SHALL BE COLD ROLLED AFTER HEAT TREATMENT TO REMOVE ALL VISUAL EVIDENCE OF GRINDING OR TOOL MARKS EXCEPT DASH NUMBER SIZES -10 AND SMALLER.
9.MARKING: MARK PART NUMBER AND MANUFACTURER’S IDENTIFICATION IN ACCORDANCE WITH AS 478-79,CLASS A
10.TOL ERANCES: UNLESS OTHERWISE SPECIFIED, TOLERANCES SHALL BE FOR LINEAR DIMENSIONS +.010, .ANGULAR DIMENSIONS +5°.
11.EDGES: BREAK SHARP EDGES .003-.015 UNLESS OTHERWISE SPECIFIED.
12.ROCUREMENT SPECIFICATION: AMS 7471.
13.PART NUMBER: THE PART NUMBER SHALL CONSIST OF THE BASIC MS NUMBER FOLLOWED BY A DASH NUMBER FROM TABLE I.

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