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National Stock Number:
5305-01-377-6548
Federal Supply Class:
5305
National Item Identification Number:
013776548
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:
| 676-0839-001 | 13499 | ROCKWELL COLLINS, INC. |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.164 INCHES | | THREAD QUANTITY PER INCH | 32 | | THREAD CLASS | 2A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.942 INCHES NOMINAL | | FASTENER LENGTH | 6.2095 INCHES NOMINAL | | MATERIAL | STEEL COMP 631 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 TY 1, TY 2 OR TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | DOUBLE CHAMFER | | HEAD DIAMETER | 0.265 INCHES NOMINAL | | HEAD HEIGHT | 0.2165 INCHES NOMINAL | | INTERNAL DRIVE STYLE | HEXAGON | | WIDTH ACROSS FLATS | 0.140 INCHES MINIMUM AND | | 0.155 INCHES MAXIMUM | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 | | FIRST DIAMETER FROM HEAD | 0.162 INCHES NOMINAL | | SECOND DIAMETER FROM HEAD | 0.1257 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 4.2275 INCHES NOMINAL | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 5.2675 INCHES NOMINAL | | SPECIAL FEATURES | 0.920 IN. LONG WRENCHING FLATS ON SHANK, CROSS SECTION IS 0.168 IN. ACROSS FLATS BY 0.187 IN. |
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