5305-01-147-4027 SETSCREW Index 5305-01-147-4030 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-147-4029

Federal Supply Class:
5305

National Item Identification Number:
011474029

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:
704AS278230003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
892782-196214RAYTHEON COMPANY


Techincal Specification:
FASTENER LENGTH0.860 INCHES MINIMUM AND 0.940 INCHES MAXIMUM
HEAD HEIGHT0.175 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
POINT STYLEFLAT
POINT CHAMFER ANGLE45.0 DEGREES NOMINAL
POINT DIAMETER0.187 INCHES NOMINAL
POINT LENGTH0.610 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.433 INCHES MINIMUM AND 0.443 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.187 INCHES NOMINAL
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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