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National Stock Number:
5305-01-263-1676
Federal Supply Class:
5305
National Item Identification Number:
012631676
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:
| PH20406SS4-40E | 57177 | PROMPTUS ELECTONIC HARDWARE INC | | S022-009-2001 | 07421 | L3HARRIS INTERSTATE ELECTRONICS CORPORATION |
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Techincal Specification:
| THREAD SERIES DESIGNATOR | UNC | | NOMINAL THREAD DIAMETER | 0.112 INCHES | | THREAD QUANTITY PER INCH | 40 | | THREAD CLASS | 3A | | THREAD DIRECTION | RIGHT-HAND | | THREAD LENGTH | 0.178 INCHES MINIMUM AND | | 0.198 INCHES MAXIMUM | | FASTENER LENGTH | 0.547 INCHES MINIMUM AND | | 0.577 INCHES MAXIMUM | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | HEAD STYLE | FILLISTER | | HEAD DIAMETER | 0.167 INCHES MINIMUM AND | | 0.177 INCHES MAXIMUM | | HEAD HEIGHT | 0.092 INCHES MINIMUM AND | | 0.122 INCHES MAXIMUM | | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 | | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 | | FIRST DIAMETER FROM HEAD | 0.073 INCHES MINIMUM AND | | 0.083 INCHES MAXIMUM | | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.302 INCHES MINIMUM AND | | 0.322 INCHES MAXIMUM |
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