5305-01-067-8525 SETSCREW Index 5305-01-067-8527 THUMBSCREW

National Stock Number:
5305-01-067-8526

Federal Supply Class:
5305

National Item Identification Number:
010678526

Description:
THUMBSCREW

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use SCREW (as modified) or BOLT (as modified).


Manufacturer Information:
10059873-10194580HONEYWELL INTERNATIONAL INC.


Techincal Specification:
FASTENER LENGTH0.450 INCHES NOMINAL
HEAD DIAMETER0.750 INCHES NOMINAL
HEAD HEIGHT0.170 INCHES NOMINAL
HEAD STYLEKNURLED NO. 1
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SHOULDER SHAPEROUND FIRST SHOULDER
POINT STYLEFLAT
SHOULDER DIAMETER0.440 INCHES NOMINAL FIRST SHOULDER
SHOULDER LENGTH0.140 INCHES NOMINAL FIRST SHOULDER
SPECIAL FEATURESONE HOLE THREADED 4-40UNC-2B BY 0.230 DEEP LOCATED IN CENTER OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.310 INCHES NOMINAL
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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