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National Stock Number:
5305-01-047-1239
Federal Supply Class:
5305
National Item Identification Number:
010471239
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:
| 119525 | 59364 | HONEYWELL INTERNATIONAL INC. | | 119525 | 99193 | HONEYWELL INTERNATIONAL INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | FASTENER LENGTH | 0.860 INCHES MINIMUM AND | | 0.900 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 95.0 ROCKWELL C NOMINAL OVERALL | | MINIMUM TENSILE STRENGTH | 71200 POUNDS PER SQUARE INCH | | MINIMUM YIELD STRENGTH | 66700 POUNDS PER SQUARE INCH | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.214 INCHES MINIMUM AND | | 0.216 INCHES MAXIMUM | | HEAD HEIGHT | 0.120 INCHES NOMINAL |
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