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National Stock Number:
5305-00-115-6250
Federal Supply Class:
5305
National Item Identification Number:
001156250
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:
| 20-143 | 1VPW8 | GENERAL DYNAMICS MISSION SYSTEMS, INC. | | 20-143 | 94990 | MOTOROLA INC. DBA INTEGRATED INFORMATION SYSTEMS GROUP | | 3B41741A09 | 1VPW8 | GENERAL DYNAMICS MISSION SYSTEMS, INC. | | 3B41741A09 | 94990 | MOTOROLA INC. DBA INTEGRATED INFORMATION SYSTEMS GROUP | | 50711 | 96046 | CRANE PUMPS & SYSTEMS PFT CORP |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNF | | NOMINAL THREAD DIAMETER | 0.190 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.735 INCHES MINIMUM AND | | 0.795 INCHES MAXIMUM | | FASTENER LENGTH | 3.110 INCHES MINIMUM AND | | 3.140 INCHES MAXIMUM | | MATERIAL | STEEL COMP 1020 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | CHROMATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 135410027 FSCM 94990 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | MINIMUM TENSILE STRENGTH | 90000 POUNDS PER SQUARE INCH | | HEAD STYLE | HEXAGON EXTENDED WASHER | | HEAD HEIGHT | 0.160 INCHES MINIMUM AND | | 0.178 INCHES MAXIMUM | | WIDTH BETWEEN FLATS | 0.245 INCHES MINIMUM AND | | 0.250 INCHES MAXIMUM | | EXTENDED WASHER DIAMETER | 0.390 INCHES MINIMUM AND | | 0.410 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.015 INCHES MINIMUM AND | | 0.202 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.166 INCHES MINIMUM AND | | 0.172 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 2.345 INCHES MINIMUM AND | | 2.375 INCHES MAXIMUM |
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