Product Details | SOCKET HEAD CAP SCREW

5305-01-337-2303 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Part Alternates: NAS1352N04H10S, 5305-01-337-2303, 01-337-2303, 5305013372303, 013372303

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 11 APR 1991 01-337-2303

Drawings & Photos | NSN 5305-01-337-2303


Cross Reference | NSN 5305-01-337-2303

Part Number Cage Code Manufacturer
NAS1352N04H10S 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-337-2303

Characteristic Specifications
THREAD SERIES DESIGNATOR UNRC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.495 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
FASTENER LENGTH 0.595 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
MATERIAL IRON ALLOY 660 OVERALL
SURFACE TREATMENT SILVER OVERALL
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.370 INCHES NOMINAL
HEAD HEIGHT 0.246 INCHES NOMINAL
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.188 INCHES NOMINAL
III PRECIOUS MATERIAL SILVER
MANUFACTURERS CODE 80205
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE NAS1352N04H10S

Restrictions/Controls & Freight Information | NSN 5305-01-337-2303

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:SItem contains silver
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