5305-01-263-1676, SCREW,EXTERNALLY RELIEVED BODY

5905-01-263-1675 RESISTOR,VARIABLE,NONWIRE WOUND,

5305-01-263-1677 SCREW,EXTERNALLY RELIEVED BODY

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.

Manufacturer Information:

PH20406SS4-40E	57177	PROMPTUS ELECTONIC HARDWARE INC
S022-009-2001	07421	L3HARRIS INTERSTATE ELECTRONICS CORPORATION

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
HEAD DIAMETER	0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM
HEAD HEIGHT	0.092 INCHES MINIMUM AND 0.122 INCHES MAXIMUM
HEAD STYLE	FILLISTER
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER	0.112 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
THREAD QUANTITY PER INCH	40
THREAD SERIES DESIGNATOR	UNC

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