5365-01-425-3055 BUSHING BLANK Index 5340-01-425-3057 PLATE,MOUNTING

National Stock Number:
5305-01-425-3056

Federal Supply Class:
5305

National Item Identification Number:
014253056

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:
AN565FC428H1888044AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH0.985 INCHES MINIMUM AND
1.015 INCHES MAXIMUM
MATERIALSTEEL CORROSION RESISTING OR
STEEL COMP 410 OR
STEEL COMP 416 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFED-STD-66, 300 OR 400 SERIES FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEHEADLESS (SETSCREW)
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.078 INCHES MINIMUM AND
0.079 INCHES MAXIMUM
POINT STYLEOVAL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEAN565FC428H18


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