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National Stock Number:
5305-00-759-8025
Federal Supply Class:
5305
National Item Identification Number:
007598025
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:
| 7598025 | 19200 | US ARMY ARDEC RDECOM | | BA93287 | 01714 | LUCENT TECHNOLOGIES INC ADVANCED TECHNOLOGY SYSTEMS | | BA93287 | 70408 | AT AND T CORP |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.235 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.280 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.513 INCHES NOMINAL | | FASTENER LENGTH | 0.750 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.158 INCHES MINIMUM AND 0.162 INCHES MAXIMUM | | HEAD DIAMETER | 0.219 INCHES NOMINAL | | HEAD HEIGHT | 0.188 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SECOND DIAMETER FROM HEAD | 0.101 INCHES MINIMUM AND 0.105 INCHES MAXIMUM | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A | | THIRD DIAMETER FROM HEAD | 0.148 INCHES MINIMUM AND 0.152 INCHES MAXIMUM | | THREAD LENGTH | 0.235 INCHES MINIMUM | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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