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National Stock Number:
5305-00-208-4455
Federal Supply Class:
5305
National Item Identification Number:
002084455
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:
| SCB63502 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.609 INCHES MINIMUM AND | | 0.641 INCHES MAXIMUM | | FASTENER LENGTH | 2.125 INCHES NOMINAL | | MATERIAL | STEEL COMP 1212 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ZINC OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | PAN NO. 2 | | HEAD DIAMETER | 0.382 INCHES MINIMUM AND | | 0.408 INCHES MAXIMUM | | HEAD HEIGHT | 0.125 INCHES MINIMUM AND | | 0.156 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.185 INCHES MINIMUM AND | | 0.190 INCHES MAXIMUM | | SECOND DIAMETER FROM HEAD | 0.141 INCHES MINIMUM AND | | 0.146 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.109 INCHES MINIMUM AND | | 0.141 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.500 INCHES NOMINAL |
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