5305-00-458-2003 SCREW,EXTERNALLY RELIEVED BODY Index 3120-00-458-2005 BEARING,SLEEVE

National Stock Number:
5305-00-458-2004

Federal Supply Class:
5305

National Item Identification Number:
004582004

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:
247AS-C1035-02730003NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
6155-SS-252006540NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6155SS2520-706540NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV
6155SS2520-71YGB8CAREY MANUFACTURING CO, INC
6155-SS-25201YGB8CAREY MANUFACTURING CO, INC
6155-SS-2520-71YGB8CAREY MANUFACTURING CO, INC
9333C0009-3487557LOCKHEED CORP LOCKHEED ELECTRONICS CO INC
9333C0009-3494117BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.969 INCHES MINIMUM AND 1.031 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH1.359 INCHES MINIMUM AND 1.391 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
HEAD HEIGHT0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
HEAD DIAMETER0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM
HEAD STYLEKNURLED NO. 1
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD LENGTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH20


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