Product Details | PANEL SCREW ASSEMBLY

5305-01-521-8200 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: DPTW79SL12B35, DPTW79SL12B3-5, 5305-01-521-8200, 01-521-8200, 5305015218200, 015218200

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 06 JUL 2004 01-521-8200

Drawings & Photos | NSN 5305-01-521-8200


Cross Reference | NSN 5305-01-521-8200

Part Number Cage Code Manufacturer
DPTW79SL12B3-5 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS

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Technical Data | NSN 5305-01-521-8200

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.281 INCHES NOMINAL
FASTENER LENGTH 0.785 INCHES NOMINAL
MATERIAL STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HEAD STYLE C44 FILLISTER
HEAD DIAMETER 0.481 INCHES NOMINAL
HEAD HEIGHT 0.133 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
INTERNAL DRIVE STYLE B22 TRI-WING RECESS
MATERIAL ACCOMMODATED THICKNESS 0.063 INCHES MINIMUM AND 0.125 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-01-521-8200

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