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National Stock Number:
5305-01-347-9777
Federal Supply Class:
5305
National Item Identification Number:
013479777
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:
| 0118020-1 | 06540 | NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV | | 0118020-1 | 1YGB8 | CAREY MANUFACTURING CO, INC | | 0118020-11 | 51506 | ACCURATE SCREW MACHINE CORP | | 0118020-1 | 55910 | NIWC PACIFIC SAN DIEGO NAVY ERP | | 0118020-1 | 61000 | GLOBE FASTENERS INC |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.138 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.203 INCHES MINIMUM AND | | 0.218 INCHES MAXIMUM | | FASTENER LENGTH | 0.735 INCHES MINIMUM AND | | 0.765 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-581 ASSN STD SINGLE MATERIAL RESPONSE OR | | ASTM-A-582 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 | KNURLED NO. 5 | | HEAD DIAMETER | 0.266 INCHES MINIMUM AND | | 0.281 INCHES MAXIMUM | | HEAD HEIGHT | 0.302 INCHES MINIMUM AND | | 0.322 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | SLOT | | POINT STYLE | CONE | | POINT LENGTH | 0.094 INCHES NOMINAL | | POINT DIAMETER | 0.085 INCHES MINIMUM AND | | 0.101 INCHES MAXIMUM | | POINT CHAMFER ANGLE | 85.0 DEGREES MINIMUM AND | | 95.0 DEGREES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.085 INCHES MINIMUM AND | | 0.100 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.427 INCHES MINIMUM AND | | 0.447 INCHES MAXIMUM |
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