Product Details | MACHINE SCREW

5305-00-479-1148 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: 56D24, 5305-00-479-1148, 00-479-1148, 5305004791148, 004791148

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-479-1148

Drawings & Photos | NSN 5305-00-479-1148


Cross Reference | NSN 5305-00-479-1148

Part Number Cage Code Manufacturer
56D24 0AHP5 CURTISS-WRIGHT CONTROLS, INC DIV FLIGHT SYSTEMS

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Technical Data | NSN 5305-00-479-1148

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.480 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
FASTENER LENGTH 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
SCREW MATERIAL STEEL CORROSION RESISTING
SCREW MATERIAL DOCUMENT AND CLASSIFICATION AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6325 ASSN STD SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT CADMIUM
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OR AMS 2800 ASSN STD SINGLE TREATMENT RESPONSE
HARDNESS RATING 19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
HEAD STYLE A39 FLAT COUNTERSUNK
HEAD DIAMETER 0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM
COUNTERSINK ANGLE 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE B10 SLOT
MANUFACTURERS CODE 0AHP5
DESIGN CONTROL REFERENCE 56D24

Restrictions/Controls & Freight Information | NSN 5305-00-479-1148

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: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.
Category Code Description
No Freight Information