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National Stock Number:
5305-00-208-1583
Federal Supply Class:
5305
National Item Identification Number:
002081583
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:
| 505-2087-002 | 13499 | ROCKWELL COLLINS, INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.188 INCHES MINIMUM | | FASTENER LENGTH | 0.625 INCHES NOMINAL | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | ENAMEL HEAD | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | USA-72-53 MIL SPEC SINGLE TREATMENT RESPONSE AND | | USA-3-1 NO. 105 MIL SPEC SINGLE TREATMENT RESPONSE HEAD | | HEAD STYLE | BINDING | | HEAD DIAMETER | 0.321 INCHES NOMINAL | | HEAD HEIGHT | 0.115 INCHES NOMINAL | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.164 INCHES NOMINAL | | SECOND DIAMETER FROM HEAD | 0.097 INCHES MINIMUM AND | | 0.103 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.047 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.438 INCHES NOMINAL | | SPECIAL FEATURES | RED GLOSS ENAMEL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 13499 | | DESIGN CONTROL REFERENCE | 505-2087-002 |
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