5305-01-450-3253 THUMBSCREW Index 5305-01-450-3255 THUMBSCREW

National Stock Number:
5306-01-450-3254

Federal Supply Class:
5306

National Item Identification Number:
014503254

Description:
BOLT,INTERNALLY REL

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:
12981725-219200US ARMY ARDEC RDECOM


Techincal Specification:
FASTENER LENGTH1.658 INCHES MINIMUM AND 1.668 INCHES MAXIMUM
HEAD DIAMETER0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM
HEAD HEIGHT0.502 INCHES MINIMUM AND 0.512 INCHES MAXIMUM
HEAD STYLEFLAT FILLISTER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276,A479,A581, OR A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES
NONSTANDARD THREAD PITCH DIAMETER+0.4448 TO 0.4500 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171, PARA 5.4.1, DIMENSIONAL LIMITS APPLY AFTER FINISH MIL STD SINGLE TREATMENT RESPONSE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.747 INCHES MINIMUM AND 0.757 INCHES MAXIMUM
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNC


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