2840-01-497-3974 PIN,AIRCRAFT,MATERI Index 5365-01-497-3976 SPACER,SLEEVE

National Stock Number:
5305-01-497-3975

Federal Supply Class:
5305

National Item Identification Number:
014973975

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
NAS1081C4A8N1E0F1ROLLS ROYCE CORP
NAS1081C4A8N63005ROLLS-ROYCE CORPORATION


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
LOCKING FEATUREPATCH OR STRIP OR SLOTTED THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5640 TYPE 1 OR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303SE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT CHAMFER ANGLE116.0 DEGREES MINIMUM AND 120.0 DEGREES MAXIMUM
POINT DIAMETER0.118 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
POINT LENGTH0.001 INCHES NOMINAL
POINT STYLEFLAT
WIDTH ACROSS FLATS0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35, TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28


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