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National Stock Number:
5305-01-540-3688
Federal Supply Class:
5305
National Item Identification Number:
015403688
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:
| 114217-.430-SS-12A | 51506 | ACCURATE SCREW MACHINE CORP | | T5305-0018-001 | 78711 | TELEPHONICS CORP |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.269 INCHES NOMINAL | | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.430 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM | | HEAD DIAMETER | 0.191 INCHES MINIMUM AND 0.225 INCHES MAXIMUM | | HEAD STYLE | FLAT COUNTERSUNK | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | MATERIAL | STEEL COMP 303 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CAPTIVE, PHILLIPS, FLAT HEAD | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35C, TYP 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD LENGTH | 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 40 | | THREAD SERIES DESIGNATOR | UNC |
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