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National Stock Number:
5305-00-801-2223
Federal Supply Class:
5305
National Item Identification Number:
008012223
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:
| 7010280P7 | 03538 | LOCKHEED MARTIN CORPORATION | | 7010280P7 | 24446 | GENERAL ELECTRIC COMPANY | | 7010280P7 | 97993 | GENERAL DYNAMICS DEFENSE SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.250 INCHES | | THREAD QUANTITY PER INCH | 20 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.312 INCHES MINIMUM | | FASTENER LENGTH | 1.375 INCHES NOMINAL | | MATERIAL | STEEL COMP 303 OR | | STEEL COMP 303SE OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 1 | | HEAD DIAMETER | 0.625 INCHES NOMINAL | | HEAD HEIGHT | 0.375 INCHES NOMINAL | | INTERNAL DRIVE STYLE | SLOT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.375 INCHES NOMINAL | | SECOND DIAMETER FROM HEAD | 0.180 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.063 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.938 INCHES NOMINAL | | SPECIAL FEATURES | CONE POINT 90 DEG OF ANGLE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 03538 | | DESIGN CONTROL REFERENCE | 7010280P7 |
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