6760-00-819-5309 FILTER,LIGHT,PHOTOGRAPHIC LENS Index 5306-00-819-5311 BOLT,SHOULDER

National Stock Number:
5306-00-819-5310

Federal Supply Class:
5306

National Item Identification Number:
008195310

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.


Manufacturer Information:
728473-117772AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC
728473-198897LOCKHEED MARTIN CORP


Techincal Specification:
CONCENTRIC HOLE DIAMETER0.437 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER4.269 INCHES NOMINAL FIRST HOLE
FASTENER LENGTH2.614 INCHES NOMINAL
HEAD HEIGHT0.280 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH190000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.438 INCHES
SHANK UNTHREADED HOLE DIAMETER0.109 INCHES NOMINAL FIRST HOLE
SHOULDER DIAMETER0.686 INCHES MINIMUM AND 0.687 INCHES MAXIMUM
SHOULDER LENGTH4.000 INCHES NOMINAL
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
WIDTH BETWEEN FLATS0.938 INCHES NOMINAL
SURFACE TREATMENTCHROMIUM GRIP
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A
THREAD LENGTH0.290 INCHES MINIMUM AND 0.320 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH20


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