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National Stock Number:
5305-00-007-1080
Federal Supply Class:
5305
National Item Identification Number:
000071080
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:
| SMB500318 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | THREAD QUANTITY PER INCH | 40 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.170 INCHES MINIMUM AND | | 0.190 INCHES MAXIMUM | | FASTENER LENGTH | 0.512 INCHES MINIMUM AND | | 0.532 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HEAD STYLE | PAN NO. 2 | | HEAD DIAMETER | 0.205 INCHES MINIMUM AND | | 0.219 INCHES MAXIMUM | | HEAD HEIGHT | 0.037 INCHES MINIMUM AND | | 0.099 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.073 INCHES MINIMUM AND | | 0.076 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.317 INCHES MINIMUM AND | | 0.327 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 80063 | | DESIGN CONTROL REFERENCE | SMB500318 |
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