5325-00-630-4846 FASTENER ASSEMBLY,TURNLOCK Index 6145-00-630-4849 CABLE,SPECIAL PURPOSE,ELECTRICAL

National Stock Number:
5305-00-630-4847

Federal Supply Class:
5305

National Item Identification Number:
006304847

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:
580R869H2648306NORTHROP GRUMMAN SUPPORT SERVICES CORP
580R869H2697942NORTHROP GRUMMAN SYSTEMS CORPORATION
6750SS2528-706540NEW HAVEN MFG CORP AMATOM ELECTRONIC HARDWARE DIV


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER1.046 INCHES MINIMUM AND 1.078 INCHES MAXIMUM
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH1.515 INCHES MINIMUM AND 1.562 INCHES MAXIMUM
FIRST DIAMETER FROM HEAD0.222 INCHES MINIMUM AND 0.232 INCHES MAXIMUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 431 OVERALL
MINIMUM YIELD STRENGTH313000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SINGLE SHEAR STRENGTH29000 POUNDS PER SQUARE INCH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.437 INCHES MINIMUM AND 0.516 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH28
WIDTH BETWEEN FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM


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