4710-01-435-4319 TUBE AND FITTINGS,METALLIC Index 5340-01-435-4321 BRACKET,ANGLE

National Stock Number:
5306-01-435-4320

Federal Supply Class:
5306

National Item Identification Number:
014354320

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:
3314809-398897LOCKHEED MARTIN CORP


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD LENGTH0.620 INCHES NOMINAL
MATERIALSTEEL OVERALL
STYLE DESIGNATORCONCENTRIC HOLE THREADED
SHOULDER DIAMETER0.678 INCHES NOMINAL
SHOULDER LENGTH2.721 INCHES NOMINAL
CONCENTRIC HOLE DEPTH2.400 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER0.212 INCHES MINIMUM AND
0.218 INCHES MAXIMUM
INTERNAL THREAD CLASS3B CONCENTRIC HOLE


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