4720-01-512-2089 HOSE ASSEMBLY,NONMETALLIC Index 5310-01-512-2091 WASHER,FLAT

National Stock Number:
5305-01-512-2090

Federal Supply Class:
5305

National Item Identification Number:
015122090

Description:
SCREW ASSEMBLY,PANEL

Detail:
A HEADED, THREADED FASTENING DEVICE OVER WHICH MAY BE ASSEMBLED; (1) A STAND-OFF; (2) A FLANGED BUSHING WITH WASHER(S) AND/OR A SHOULDERED BUSHING WITHOUT A FLANGE, OR IT MAY HAVE AN INTERNALLY THREADED SLEEVE THAT IS AN INTEGRAL PART OF THE SCREW; A WASHER AND AN EXTERNALLY THREAD SELF-LOCKING BUSHING THAT IS DRIVEN BY AN INSERTED DRIVER. ATTACHED TO PANEL BY THREADED BUSHING OR BY FLARING END OF STAND-OFF, OR BUSHING. USED IN CONJUNCTION WITH A SPEED NUT, NUT PLATE, OR DRIVEN INTO A THREADED HOLE IN THE ITEM THAT THE PANEL IS FASTENED TO. MAY BE SPRING LOADED.


Manufacturer Information:
11472578-718876U S ARMY AVIATION AND MISSILE COMMAND
RCS64-(069) 1230343RADIO COMPONENT CORP


Techincal Specification:
FASTENER LENGTH0.375 INCHES NOMINAL
HEAD HEIGHT0.026 INCHES MINIMUM AND 0.032 INCHES MAXIMUM
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIAL ACCOMMODATED THICKNESS0.093 INCHES NOMINAL
MATERIALSTEEL COMP 303 OVERALL
NOMINAL THREAD DIAMETER0.138 INCHES
WIDTH BETWEEN FLATS0.250 INCHES NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32


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