Product Details | MACHINE SCREW

5305-00-680-4959 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Part Alternates: NAS623320W, NAS623-3-20W, 5305-00-680-4959, 00-680-4959, 5305006804959, 006804959

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01-JAN-63 00-680-4959

Drawings & Photos | NSN 5305-00-680-4959


Demand History | NSN 5305-00-680-4959

Part Number Request Date QTY Origin
NAS623-3-20W 2013-08-229 600 Canada

Cross Reference | NSN 5305-00-680-4959

Part Number Cage Code Manufacturer
NAS623-3-20W 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-00-680-4959

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.276 INCHES NOMINAL
FASTENER LENGTH 1.526 INCHES NOMINAL
SCREW MATERIAL STEEL
SCREW SURFACE TREATMENT CADMIUM
HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
HEAD STYLE A23 PAN
HEAD DIAMETER 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM
HEAD HEIGHT 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
INTERNAL DRIVE STYLE B1 CROSS RECESS TYPE 1

Restrictions/Controls & Freight Information | NSN 5305-00-680-4959

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