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National Stock Number:
5305-01-524-3134
Federal Supply Class:
5305
National Item Identification Number:
015243134
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:
| 72233-AD00 REV C IT 55 | 04879 | ARNOLD MAGNETICS CORPORATION | | C900-SS-SDS-12 | 51506 | ACCURATE SCREW MACHINE CORP |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | THREAD QUANTITY PER INCH | 40 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.302 INCHES MINIMUM AND | | 0.322 INCHES MAXIMUM | | FASTENER LENGTH | 0.615 INCHES MINIMUM AND | | 0.635 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A581, 582-95B, (NON-MAGNETIC) 303 SERIES. CONDITION A ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM-A-380-96 ASSN STD SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | KNURLED NO. 5 | | HEAD DIAMETER | 0.188 INCHES MINIMUM AND | | 0.208 INCHES MAXIMUM | | HEAD HEIGHT | 0.360 INCHES MINIMUM AND | | 0.390 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.078 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.312 INCHES NOMINAL |
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