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National Stock Number:
5305-01-167-6303
Federal Supply Class:
5305
National Item Identification Number:
011676303
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:
| 54358 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | 54358 | 82328 | DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE | | 54358 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION | | 54358 | 93235 | TURBODYNE DIV OF DRESSER INDUSTRIES INC SEE CODE 0BR59 | | A-10173 | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | A-10173 | 82328 | DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE | | A-10173 | 830Q4 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.515 INCHES MINIMUM AND 0.525 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.703 INCHES MINIMUM AND 0.713 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FASTENER LENGTH | 1.265 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.560 INCHES MINIMUM AND 0.561 INCHES MAXIMUM | | HEAD DIAMETER | 0.875 INCHES NOMINAL | | HEAD HEIGHT | 0.204 INCHES NOMINAL | | HEAD STYLE | FLAT CHAMFER | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL COMP 302 OVERALL | | NOMINAL THREAD DIAMETER | 0.500 INCHES | | SECOND DIAMETER FROM HEAD | 0.391 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.562 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 13 |
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