5305-00-206-0218 SETSCREW Index 5305-00-206-0240 THUMBSCREW

National Stock Number:
5305-00-206-0229

Federal Supply Class:
5305

National Item Identification Number:
002060229

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:
51943098897LOCKHEED MARTIN CORP


Techincal Specification:
FASTENER LENGTH1.480 INCHES NOMINAL
HEAD DIAMETER1.000 INCHES NOMINAL
HEAD HEIGHT0.340 INCHES NOMINAL
HEAD STYLEKNURLED NO. 1
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8630 OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
POINT STYLEFLAT
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH1.170 INCHES MAXIMUM
THREAD QUANTITY PER INCH24
THREAD SERIES DESIGNATORUNF


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