Product Details | CLOSE TOLERANCE SCREW

5305-01-406-8671 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Part Alternates: NAS620510Y, NAS6205-10Y, 5305-01-406-8671, 01-406-8671, 5305014068671, 014068671

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 13 JAN 1995 01-406-8671

Drawings & Photos | NSN 5305-01-406-8671


Demand History | NSN 5305-01-406-8671

Part Number Request Date QTY Origin
5305-01-406-8671 2009-09-261 2 US
NAS620510Y 2009-09-260 2 US

Cross Reference | NSN 5305-01-406-8671

Part Number Cage Code Manufacturer
NAS6205-10Y 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-406-8671

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.413 INCHES MINIMUM AND 0.463 INCHES MAXIMUM
FASTENER LENGTH 1.048 INCHES MINIMUM AND 1.078 INCHES MAXIMUM
MATERIAL STEEL COMP E4340 OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C3 DISHED HEXAGON
HEAD HEIGHT 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM
COUNTERSINK ANGLE 100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE D8 TORQUE SET
GRIP LENGTH 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
GRIP DIAMETER 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA 80205-NAS6205-10Y PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5305-01-406-8671

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