5305-01-124-4450 SCREW,MACHINE Index 5305-01-124-4452 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-01-124-4451

Federal Supply Class:
5305

National Item Identification Number:
011244451

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:
4592477 ITEM 1412934NAVAL AIR WARFARE CENTER WEAPONS DIV
4592569-112934NAVAL AIR WARFARE CENTER WEAPONS DIV
4592569-1D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.800 INCHES MINIMUM
FASTENER LENGTH3.750 INCHES NOMINAL
MATERIALSTEEL COMP 316 OVERALL
HEAD STYLETHUMB NO. 7
HEAD HEIGHT0.400 INCHES MINIMUM AND
0.438 INCHES MAXIMUM
WIDTH BETWEEN FLATS1.120 INCHES NOMINAL
POINT STYLEOVAL


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