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National Stock Number:
5305-00-225-6893
Federal Supply Class:
5305
National Item Identification Number:
002256893
Description:
SCREW,EXTERNALLY RELIEVED BODY
Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.
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Manufacturer Information:
| 830-1024-3 | 0ZBJ4 | PHILIPS NORTH AMERICA LLC | | 830-1024-3 | 52983 | HEWLETT-PACKARD CO WALTHAM DIV |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.187 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 0.749 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.375 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.687 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 | | FASTENER LENGTH | 0.874 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.190 INCHES NOMINAL | | FOURTH DIAMETER FROM HEAD | 0.128 INCHES NOMINAL | | HEAD DIAMETER | 0.437 INCHES NOMINAL | | HEAD HEIGHT | 0.251 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 4 | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | SECOND DIAMETER FROM HEAD | 0.123 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THREAD CLASS | 2A | | THIRD DIAMETER FROM HEAD | 0.190 INCHES NOMINAL | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.125 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 24 | | THREAD SERIES DESIGNATOR | UNC |
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