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National Stock Number:
5305-00-333-4213
Federal Supply Class:
5305
National Item Identification Number:
003334213
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:
| GB1591-2 | 02859 | INTERNATIONAL TELEPHONE AND TELEGRAPH CORP ITT GILFILLAN DIV | | GB1591-2 | 28528 | ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST | | GB1591-2 | 31550 | L3HARRIS TECHNOLOGIES, INC. |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.375 INCHES NOMINAL | | FASTENER LENGTH | 0.688 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.091 INCHES MINIMUM AND 0.101 INCHES MAXIMUM | | HEAD DIAMETER | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM | | HEAD HEIGHT | 0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM | | HEAD STYLE | ROUND | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,COMP 22,1/2 H FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | COPPER ALLOY 360 OVERALL | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | SPECIAL FEATURES | HEAD LACQUERED GREEN | | THREAD CLASS | 2A | | THREAD LENGTH | 0.281 INCHES MINIMUM | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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