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NUT, SELF-LOCKING, DOUBLE HEXAGON, REDUCED ENVELOPE, AMS7251
- Aerospace Standard
- AS3069
- Reaffirmed
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Language:
English
Rationale
AS3069 HAS BEEN REAFFIRMED TO COMPLY WITH THE SAE FIVE-YEAR REVIEW POLICY.
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1
MATERIAL: CORROSION AND HEAT RESISTANT STEEL AMS 5737, SEE NOTE 2.
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2
HARDNESS AFTER FORMING: SEE TABULATION.
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3
FINISH: SILVER PLATE PER AMS 2411. DIMENSIONS ARE AFTER PLATING.
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4
PERFORMANCE SPECIFICATION: AMS 7251.
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5
FLUORESCENT PENETRANT INSPECTION BEFORE PLATING PER AMS 2645 AND AS 3071.
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6
SURFACE TEXTURE: SYMBOLS PER ANSI Y14.36 – 1978. REQUIREMENTS PER ANSI B46.1-1978. UNLESS OTHERWISE SPECIFIED TO BE 125 MICROINCHES (3.2 MICROMETRES) AA.
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7
BREAK SHARP EDGES .003–.015 (0.08–0.38) UNLESS OTHERWISE SPECIFIED.
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8
DIMENSIONS ARE IN INCHES (MILLIMETRES). METRIC CONVERSIONS ARE INTERNATIONAL SYSTEM UNITS (SI).
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9
DIMENSIONING AND TOLERANCING: ANSI Y14.5-1973.
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10
DO NOT USE UNASSIGNED AEROSPACE STANDARD IDENTIFICATION NUMBERS.
SOURCE OF SUPPLY:
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STANDARD PRESSED STEEL COMPANY,
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JENKINTOWN, PENNSYLVANIA 19046.
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FEDERAL SUPPLY CODE FOR MANUFACTURER'S NO. 56878.
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DRAWING NO. SD.300.73356.
ONLY THE ITEM DESCRIBED ON THIS DRAWING WHEN PROCURED FROM THE VENDOR LISTED HEREON IS APPROVED FOR USE IN THE APPLICATIONS SPECIFYING THIS AEROSPACE STANDARD IDENTIFICATION NUMBER. A SUBSTITUTE ITEM SHALL NOT BE USED WITHOUT PRIOR TESTING AND APPROVAL BY THE DESIGN ACTIVITY RESPONSIBLE FOR THE APPLICATION.
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Issuing Committee
E-25 General Standards for Aerospace and Propulsion Systems
The SAE E-25 General Standards for Aerospace & Propulsion Systems committee addresses aerospace propulsion systems and components. These systems and components include bolts, screws, nuts, washers, studs, rivets, pins, covers, O-rings, brackets, plugs and associated procurement requirements, as well as solid film lubricants and design specifications for screw threads and fastener assembly requirements.
Reference
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