Product Details | SOCKET HEAD CAP SCREW

5305-01-255-0091 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: NAS13518LE12P, NAS1351-8-LE12P, 5305-01-255-0091, 01-255-0091, 5305012550091, 012550091

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 14 MAY 1987 01-255-0091

Drawings & Photos | NSN 5305-01-255-0091


Cross Reference | NSN 5305-01-255-0091

Part Number Cage Code Manufacturer
NAS1351-8-LE12P 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-255-0091

Characteristic Specifications
THREAD SERIES DESIGNATOR UNRF
NOMINAL THREAD DIAMETER 0.500 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
FASTENER LENGTH 0.750 INCHES MAXIMUM
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
HEAD HEIGHT 0.442 INCHES MINIMUM AND 0.566 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM
LOCKING FEATURE PATCH THREADS

Restrictions/Controls & Freight Information | NSN 5305-01-255-0091

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