Product Details | PANEL SCREW ASSEMBLY

5305-01-643-3296 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.

Part Alternates: PFC2M494, PFC2-M4-94 , 5305-01-643-3296, 01-643-3296, 5305016433296, 016433296

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 2015089 01-643-3296

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Technical Data | NSN 5305-01-643-3296

Characteristic Specifications
THREAD SERIES DESIGNATOR ISO M
NOMINAL THREAD DIAMETER 4.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS 0.7
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 17.83 MILLIMETERS NOMINAL
FASTENER LENGTH 23.93 MILLIMETERS MINIMUM AND
MATERIAL STEEL COMP 303 SPRING
SURFACE TREATMENT PASSIVATE FASTENER
COLOR BLUE RING
HARDNESS RATING 70.0 ROCKWELL B MAXIMUM THREADS
HEAD DIAMETER 9.28 MILLIMETERS MINIMUM AND
HEAD HEIGHT 1.95 MILLIMETERS MINIMUM AND
INTERNAL DRIVE STYLE SLOT
SPECIAL FEATURES MIN THICKNESS 1.53MM; RETAINER IS MADE OF STEEL COMP 303 WITH PASSIVATED FINISH; TOOL OR FINGER OPERATION; MEETS "OPERATOR ACCESS AREA" REQUIREMENTS SIMILAR TO UL 508; RETAINING RING IS PLASTIC
III PART NAME ASSIGNED BY CONTROLLING AGENCY SCREW HEAD,SPRING-LOADED, METRIC TYPE

Restrictions/Controls & Freight Information | NSN 5305-01-643-3296

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information