5305-00-143-3290 SCREW,EXTERNALLY RELIEVED BODY Index 5305-00-143-3292 THUMBSCREW

National Stock Number:
5305-00-143-3291

Federal Supply Class:
5305

National Item Identification Number:
001433291

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:
577R005H325N116QUALITY SOCKET SCREW MANUFACTURING CORP
577R005H3297942NORTHROP GRUMMAN SYSTEMS CORPORATION
D791515-320HDW7HUCK INTERNATIONAL, INC.
D791515-3217446HUCK INTERNATIONAL, INC
D791515-3297928HUCK INTL INC
P81-1032-204729UNICORP.
P81-1032-273197HI-SHEAR CORPORATION
P81-1032-2C4293ALCOA FASTENING SYSTEMS FAIRCHILDFASTENERS EUROPE - VSD GMBH


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.555 INCHES MINIMUM AND 0.580 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.795 INCHES MINIMUM AND 0.815 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.143 INCHES MINIMUM AND 0.149 INCHES MAXIMUM
HEAD DIAMETER0.275 INCHES MAXIMUM
HEAD HEIGHT0.075 INCHES MINIMUM
HEAD STYLEPAN
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-16974 MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 4130 OR STEEL COMP 4140 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD LENGTH0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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