NSN 5305-01-321-8741

Part Details | PANEL SCREW ASSEMBLY

5305-01-321-8741 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: 3M8693A3.5, 3M869-3A3.5, CS30473A3.5#, CS3047-3A3.5#, HSG79003A3.5, HSG7900-3A3.5, HSG79003A3.5, HSG7900-3A3.5, 5305-01-321-8741, 01-321-8741, 5305013218741, 013218741

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUN 25, 199001-321-874133044 ( SCREW ASSEMBLY, PANEL )
REFERENCE DRAWINGS & PICTURES

HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-321-8741
Part Number Cage Code Manufacturer
3M869-3A3.576301BOEING COMPANY, THEDBA BOEING
CS3047-3A3.5#58998FASTENER INNOVATION TECHNOLOGY, INC.DBA F I T
HSG7900-3A3.50HDW7HUCK INTERNATIONAL, INC.DBA ARCONIC FASTENING SYSTEMS AND
HSG7900-3A3.597928HUCK INTL INC
Technical Data | NSN 5305-01-321-8741
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.281 INCHES NOMINAL
FASTENER LENGTH0.912 INCHES MINIMUM AND 0.942 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
HEAD STYLE HEXAGON
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
MATERIAL ACCOMMODATED THICKNESS0.031 INCHES MINIMUM AND 0.062 INCHES MAXIMUM