Product Details | SOCKET HEAD CAP SCREW

5305-01-556-1045 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: NAS1351N7H34S, 5305-01-556-1045, 01-556-1045, 5305015561045, 015561045

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 24 SEP 2007 01-556-1045

Drawings & Photos | NSN 5305-01-556-1045


Cross Reference | NSN 5305-01-556-1045

Part Number Cage Code Manufacturer
NAS1351N7H34S 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-556-1045

Characteristic Specifications
THREAD SERIES DESIGNATOR UNRF
NOMINAL THREAD DIAMETER 0.437 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.375 INCHES MINIMUM
FASTENER LENGTH 2.125 INCHES NOMINAL
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT SILVER OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.642 INCHES MINIMUM AND 0.656 INCHES MAXIMUM
HEAD HEIGHT 0.430 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.375 INCHES NOMINAL
HOLE CONFIGURATION STYLE E11 ROUND INTERNAL HEXAGON
HOLE TYPE DRILLED
HOLE QUANTITY 6
HOLE DIAMETER 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
III PRECIOUS MATERIAL SILVER
III PRECIOUS MATERIAL AND LOCATION OVERALL SILVER

Restrictions/Controls & Freight Information | NSN 5305-01-556-1045

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: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.
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