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National Stock Number:
5305-00-364-2370
Federal Supply Class:
5305
National Item Identification Number:
003642370
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:
| 3237284 | 55380 | HATCH & KIRK, INC. | | 3237284 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV | | 3249355 | 55380 | HATCH & KIRK, INC. | | 3260681 | 55380 | HATCH & KIRK, INC. | | 3260681 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV | | 3249355 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.000 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 3.875 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 2.000 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 2.500 INCHES NOMINAL | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 | | FASTENER LENGTH | 4.625 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.500 INCHES NOMINAL | | FOURTH DIAMETER FROM HEAD | 0.375 INCHES NOMINAL | | HEAD DIAMETER | 1.625 INCHES NOMINAL | | HEAD HEIGHT | 1.375 INCHES NOMINAL | | HEAD STYLE | KNURLED NO. 2 | | INTERNAL DRIVE STYLE | SLOT | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | SECOND DIAMETER FROM HEAD | 0.313 INCHES NOMINAL | | SURFACE TREATMENT | CADMIUM OVERALL | | THIRD DIAMETER FROM HEAD | 0.500 INCHES NOMINAL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.750 INCHES MAXIMUM | | THREAD QUANTITY PER INCH | 16 | | THREAD SERIES DESIGNATOR | UNC |
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