5305-01-276-7464, SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-276-7464

Federal Supply Class:
5305

National Item Identification Number:
012767464

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:

256-069-04	99592	RAYTHEON COMPANY
6239-SS-1032-7	06540	NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6239-SS-1032-7	1YGB8	CAREY MANUFACTURING CO, INC

Techincal Specification:

DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	0.523 INCHES MINIMUM AND 0.543 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY	1
FASTENER LENGTH	0.797 INCHES MINIMUM AND 0.829 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD	0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
HEAD DIAMETER	0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
HEAD HEIGHT	0.118 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
HEAD STYLE	FILLISTER
INTERNAL DRIVE STYLE	SLOT
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A581 TY XM-1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 203EZ OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.150 INCHES MINIMUM AND 0.350 INCHES MAXIMUM
THREAD CLASS	2A
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	32

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