Product Details | MACHINE SCREW

5305-01-558-4669 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: AN520C41644, AN520C416-44, 5305-01-558-4669, 01-558-4669, 5305015584669, 015584669

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 09 NOV 2007 01-558-4669

Drawings & Photos | NSN 5305-01-558-4669


Cross Reference | NSN 5305-01-558-4669

Part Number Cage Code Manufacturer
AN520C416-44 28548 FABRICATION SPECIALTY, INC.

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Technical Data | NSN 5305-01-558-4669

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.750 INCHES NOMINAL
FASTENER LENGTH 2.750 INCHES NOMINAL
SCREW MATERIAL STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316
HEAD STYLE A23 PAN
HEAD DIAMETER 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM
HEAD HEIGHT 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
INTERNAL DRIVE STYLE B1 CROSS RECESS TYPE 1
III END ITEM IDENTIFICATION MILITARY SPARES
III PART NAME ASSIGNED BY CONTROLLING AGENCY SEAL MACHINE SCREW

Restrictions/Controls & Freight Information | NSN 5305-01-558-4669

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