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National Stock Number:
5305-01-148-5365
Federal Supply Class:
5305
National Item Identification Number:
011485365
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:
| 136435-20 | 37695 | RAYTHEON COMPANY | | 5816804 | 94117 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | | 5816804P1 | 94117 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | | MS51896-14B | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.348 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM | | FIRST DIAMETER FROM HEAD | 0.114 INCHES MINIMUM AND 0.124 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 DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | SURFACE TREATMENT | OXIDE OVERALL | | THREAD CLASS | 2A | | THREAD LENGTH | 0.267 INCHES MINIMUM AND 0.287 INCHES MAXIMUM | | THREAD DIRECTION | RIGHT-HAND | | THREAD QUANTITY PER INCH | 32 | | THREAD SERIES DESIGNATOR | UNC |
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