5310-00-682-5498 NUT,PLAIN,CAP Index 5310-00-682-5505 NUT,PLAIN,HEXAGON

National Stock Number:
5305-00-682-5499

Federal Supply Class:
5305

National Item Identification Number:
006825499

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:
SMB33988780063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR
SMBB33988780063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.428 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.709 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.125 INCHES NOMINAL
HEAD DIAMETER0.312 INCHES NOMINAL
HEAD HEIGHT0.102 INCHES NOMINAL
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 416 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
SPECIAL FEATURESPOINT OF SCREW HAS 0.062 INCH SPHERICAL RADIUS
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD LENGTH0.281 INCHES MINIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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