5310-00-172-4305 WASHER,FLAT Index 5330-00-172-4308 GASKET

National Stock Number:
5306-00-172-4307

Federal Supply Class:
5306

National Item Identification Number:
001724307

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:
4P51098-101A98897LOCKHEED MARTIN CORP


Techincal Specification:
CONCENTRIC HOLE DIAMETER0.875 INCHES MINIMUM AND 0.877 INCHES MAXIMUM
EXTENDED WASHER DIAMETER2.160 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.060 INCHES NOMINAL
FASTENER LENGTH3.320 INCHES MINIMUM AND 3.350 INCHES MAXIMUM
HEAD HEIGHT0.615 INCHES MINIMUM AND 0.645 INCHES MAXIMUM
HEAD STYLEHEXAGON EXTENDED WASHER
MINIMUM TENSILE STRENGTH200000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER1.375 INCHES
SHOULDER LENGTH2.445 INCHES NOMINAL
SHOULDER DIAMETER1.4994 INCHES MINIMUM AND 1.5005 INCHES MAXIMUM
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.595 INCHES MINIMUM AND 0.655 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH12
WIDTH BETWEEN FLATS1.481 INCHES MINIMUM AND 1.502 INCHES MAXIMUM


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