5955-00-520-2750 CRYSTAL UNIT,QUARTZ Index 5340-00-520-2752 POST,ELECTRICAL-MECHANICAL EQUI

National Stock Number:
5306-00-520-2751

Federal Supply Class:
5306

National Item Identification Number:
005202751

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:
4P03023-101B98897LOCKHEED MARTIN CORP
4P03023-103A6Z056CM MANUFACTURING INC
4P03023-103A98897LOCKHEED MARTIN CORP


Techincal Specification:
CONCENTRIC HOLE DIAMETER0.625 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
FASTENER LENGTH4.080 INCHES NOMINAL
HEAD HEIGHT0.270 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 COND E1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
MINIMUM TENSILE STRENGTH195000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER1.250 INCHES
SHOULDER LENGTH3.132 INCHES MINIMUM AND 3.142 INCHES MAXIMUM
SHOULDER DIAMETER1.623 INCHES MINIMUM AND 1.624 INCHES MAXIMUM
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.658 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH12
WIDTH BETWEEN FLATS2.110 INCHES MINIMUM AND 2.124 INCHES MAXIMUM


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