NSN 5305-01-439-8204

Part Details | PANEL SCREW ASSEMBLY

5305-01-439-8204 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.

Alternate Parts: ES836812H04, ES8368-12H04, CS5084HS410, CS5084HS-4-10, 5305-01-439-8204, 01-439-8204, 5305014398204, 014398204

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 20, 199601-439-820433044 ( SCREW ASSEMBLY, PANEL )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-439-8204
Part Number Cage Code Manufacturer
ES8368-12H0420418DRS SUSTAINMENT SYSTEMS, INC.Use CAGE Code 98255 for cataloging
CS5084HS-4-1058998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
Technical Data | NSN 5305-01-439-8204
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
FASTENER LENGTH0.747 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.380 INCHES NOMINAL
HEAD HEIGHT0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.187 INCHES NOMINAL
MATERIAL ACCOMMODATED THICKNESS0.280 INCHES NOMINAL
SPECIAL FEATURESRETAINER NUT THREAD DIA. 0.375-24UNF-2A: HEAD VERTICALLY KNURLED