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National Stock Number:
5305-00-442-3280
Federal Supply Class:
5305
National Item Identification Number:
004423280
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:
| 8060002707-2 | 57057 | NAVCOM DEFENSE ELECTRONICS, INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD LENGTH | 0.375 INCHES MINIMUM AND | | 0.405 INCHES MAXIMUM | | FASTENER LENGTH | 2.640 INCHES NOMINAL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FLAT CHAMFER | | HEAD DIAMETER | 0.225 INCHES NOMINAL | | HEAD HEIGHT | 0.190 INCHES NOMINAL | | INTERNAL DRIVE STYLE | SLOT | | FIRST DIAMETER FROM HEAD | 0.140 INCHES NOMINAL | | SECOND DIAMETER FROM HEAD | 0.220 INCHES MINIMUM AND | | 0.230 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 2.100 INCHES MINIMUM AND | | 2.120 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 2.130 INCHES MINIMUM AND | | 2.150 INCHES MAXIMUM | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 57057 | | DESIGN CONTROL REFERENCE | 8060002707-2 |
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