Product Details | PANEL SCREW ASSEMBLY

5305-01-285-7594 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: S-843, LSTW79-10B6.5, LSTW7910B65, S843, 5305-01-285-7594, 01-285-7594, 5305012857594, 012857594

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 20 SEP 1988 01-285-7594

Drawings & Photos | NSN 5305-01-285-7594


Cross Reference | NSN 5305-01-285-7594

Part Number Cage Code Manufacturer
LSTW79-10B6.5 17446 HUCK INTERNATIONAL, INC. DBA ALCOA FASTENING SYSTEMS
LSTW79-10B6.5 97928 HUCK INTL INC
S-843 97928 HUCK INTL INC

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Technical Data | NSN 5305-01-285-7594

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.1900 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.780 INCHES NOMINAL
FASTENER LENGTH 0.972 INCHES NOMINAL
MATERIAL STEEL CORROSION RESISTING STAND-OFF STEEL COMP 8740 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-23195 MIL SPEC SINGLE MATERIAL RESPONSE STAND-OFF MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT CADMIUM OVERALL
HARDNESS RATING 38.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM FASTENER
MINIMUM TENSILE STRENGTH 1700 POUNDS PER SQUARE INCH
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.400 INCHES MAXIMUM
COUNTERSINK ANGLE 100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE B22 TRI-WING RECESS
MATERIAL ACCOMMODATED THICKNESS 0.090 INCHES MINIMUM AND 0.125 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-01-285-7594

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.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information