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National Stock Number:
5305-01-067-0295
Federal Supply Class:
5305
National Item Identification Number:
010670295
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:
| 1876682 | 16764 | GENERAL MOTORS CORP DELCO REMY DIV | | 1876682 | 1LW55 | BORGWARNER PDS (ANDERSON), L.L.C. |
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Techincal Specification:
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.500 INCHES NOMINAL | | EXTENDED WASHER DIAMETER | 0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM | | EXTENDED WASHER THICKNESS | 0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FASTENER LENGTH | 1.110 INCHES NOMINAL | | FIRST DIAMETER FROM HEAD | 0.138 INCHES NOMINAL | | HARDNESS RATING | 80.0 ROCKWELL C MINIMUM AND 90.0 ROCKWELL C MAXIMUM OVERALL | | HEAD HEIGHT | 0.120 INCHES MINIMUM AND 0.136 INCHES MAXIMUM | | HEAD STYLE | HEXAGON EXTENDED WASHER | | INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 1018 OVERALL | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | WIDTH BETWEEN FLATS | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | SURFACE TREATMENT | ZINC OVERALL | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.550 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNC | | THREAD QUANTITY PER INCH | 32 |
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