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National Stock Number:
5305-01-134-0187
Federal Supply Class:
5305
National Item Identification Number:
011340187
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:
| 10115360 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 2783137-101 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.170 INCHES NOMINAL | | COUNTERSINK ANGLE | 8.0 DEGREES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.720 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.082 INCHES MINIMUM AND 0.092 INCHES MAXIMUM | | HEAD DIAMETER | 0.190 INCHES NOMINAL | | HEAD HEIGHT | 0.280 INCHES NOMINAL | | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP XM-13 OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS13001 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD DIRECTION | RIGHT-HAND | | THREAD CLASS | 3A | | THREAD LENGTH | 0.270 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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