Product Details | CLOSE TOLERANCE SCREW

5305-01-606-5234 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: NAS1581C4T17 , 5305-01-606-5234, 01-606-5234, 5305016065234, 016065234

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 2012139 01-606-5234

Demand History | NSN 5305-01-606-5234

Part Number Request Date QTY Origin
NAS1581C4T17 2022-11-307 464 United States
NAS1581C4T17 2012-10-305 2 Taiwan

Cross Reference | NSN 5305-01-606-5234

Part Number Cage Code Manufacturer
NAS1581C4T17 71379 CESSNA AIRCRAFT COMPANY
NAS1581C4T17 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-606-5234

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.403 INCHES NOMINAL
FASTENER LENGTH 1.465 INCHES NOMINAL
MATERIAL IRON ALLOY 660 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR
MINIMUM TENSILE STRENGTH 3700 POUNDS PER SQUARE INCH
HEAD STYLE FLAT COUNTERSUNK
HEAD DIAMETER 0.3988 INCHES NOMINAL
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
GRIP LENGTH 1.062 INCHES NOMINAL
GRIP DIAMETER 0.2490 INCHES MINIMUM AND

Restrictions/Controls & Freight Information | NSN 5305-01-606-5234

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