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National Stock Number:
5305-01-431-0600
Federal Supply Class:
5305
National Item Identification Number:
014310600
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:
| 72002-25 | 1HT10 | GENERAL DYNAMICS GLOBAL IMAGING TECHNOLOGIES, INC. | | 72002-25 | 3A5R4 | CONTOUR METROLOGICAL & MANUFACTURING, INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNJF | | NOMINAL THREAD DIAMETER | 0.375 INCHES | | THREAD QUANTITY PER INCH | 24 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.500 INCHES NOMINAL | | FASTENER LENGTH | 0.500 INCHES NOMINAL | | MATERIAL | IRON ALLOY 660 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR | | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | HEXAGON | | HEAD HEIGHT | 0.188 INCHES MINIMUM AND | | 0.203 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND | | 0.502 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | HOLE CONFIGURATION STYLE | HEXAGON CORNERS | | HOLE TYPE | DRILLED | | HOLE QUANTITY | 3 | | HOLE DIAMETER | 0.070 INCHES MINIMUM AND | | 0.080 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.291 INCHES MINIMUM AND | | 0.301 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.990 INCHES MINIMUM AND | | 1.010 INCHES MAXIMUM | | SPECIAL FEATURES | M/F NAS1802-6D24 | | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
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