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BOLT - AN7-42
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BOLT - AN7-42
Genuine OEM Parts

Description:   BOLT
Part number:   AN7-42
Industry Standard Specification:   AIA/NAS NASM3-20

Airframe Bolt, Drilled - Length: 4-11/32", Grip: 3-11/16", Thread: 7/16-20, Cadmium Plated Steel, Drilled Shank



Thread Class  3A
Thread DirectionRight-hand
Thread Length0.656 inches minimum
Fastener Length4.344 inches nominal
Head StyleHexagon
Head Height0.234 inches minimum and 0.266 inches maximum
Width Between Flats0.615 inches minimum and 0.627 inches maximum
Shank Unthreaded Hole Diameter0.106 inches nominal first hole
Nominal Thread Diameter0.438 inches
Grip Length3.688 inches nominal
Features ProvidedFinished head
Thread Quantity per Inch20
Minimum Tensile Strength125000 pounds per square inch
Hardness Rating26.0 rockwell C minimum overall and 32.0 rockwell C maximum overall
Distance from Head Largest Bearing Surface to Shank Hole Center4.172 inches nominal first hole
MaterialSteel comp 4037 overall or steel comp 4130 overall or steel comp 8630 overall or steel comp 8735 overall or steel comp 8740 overall or steel comp 4140 overall
Material Document and ClassificationMIL-B-6812 mil spec all material responses overall
Surface TreatmentCadmium overall and chromate overall
Surface Treatment Document and ClassificationQQ-P-416, type 2, class 3 fed spec all treatment responses overallThread Series Designator
Thread Series DesignatorUNF

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Dimensions (W x H x D) 0.4375" x 0.4375" x 4.344" Inches
Length 4.344" Inches
Weight 0.203 lb
8130-3 Eligible NO
Available Conditions NE / NS
Country of origin United States of America
ECCN / USML 9A991.d
FAA Approval Code STD
Grip 3.688" Inches
Hazmat Code Not Applicable
Hazmat(Y/N) N
Material Steel
NSN 5306-00-156-2655
Schedule B 7318.15.2000
Thread 3A-UNF
Total Shelf Life (days) Not Applicable
Type Bolt
Units of Measure (UoM) Each
Brand Aeronautical Standard Group Inc
Condition status Depreciated