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National Stock Number: 5305-01-127-7063
Federal Supply Class: 5305
National Item Identification Number: 011277063
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:
10115150 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | 1AM121070-5 | 58251 | FIRST AMERICAN SALES CO INC | MA3560-5 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | FIT7043-5 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | 466604-008 | 89305 | SIMMONDS PRECISION PRODUCTS INC | 600381-4 | 96214 | RAYTHEON COMPANY | ST3M560-5 | 0ZBE8 | TRIMAN INDUSTRIES INC | ST3M560-5 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | ST3M560-5 | 58251 | FIRST AMERICAN SALES CO INC | ST3M560-5 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | ST3M560-5 | 76301 | THE BOEING COMPANY | ST3M560-5 | 89305 | SIMMONDS PRECISION PRODUCTS INC |
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Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.110 INCHES NOMINAL | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | FASTENER LENGTH | 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM | FIRST DIAMETER FROM HEAD | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM | HEAD DIAMETER | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM | HEAD STYLE | PAN | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | MATERIAL | STEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 308 OVERALL OR STEEL COMP 309 OVERALL OR STEEL COMP 309S OVERALL OR STEEL COMP 310 OVERALL OR STEEL COMP 310S OVERALL OR STEEL COMP 314 OVERALL OR STEEL COMP 316 OVERALL OR STEEL COMP 316L OVERALL OR STEEL COMP 317 OVERALL OR STEEL COMP 321 OVERALL OR STEEL COMP 347 OVERALL OR STEEL COMP 348 OVERALL OR STEEL COMP 384 OVERALL OR STEEL COMP 385 OVERALL | PROPRIETARY CHARACTERISTICS | PACS | NOMINAL THREAD DIAMETER | 0.164 INCHES | SURFACE TREATMENT | PASSIVATE OVERALL | THREAD CLASS | 2A | THREAD DIRECTION | RIGHT-HAND | THREAD LENGTH | 0.270 INCHES NOMINAL | THREAD QUANTITY PER INCH | 32 | THREAD SERIES DESIGNATOR | UNC |
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