Product Details | CLOSE TOLERANCE SCREW

5305-01-581-4768 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: BACB30LK042, BACB30LK04-2, 5305-01-581-4768, 01-581-4768, 5305015814768, 015814768

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 19 JAN 2010 01-581-4768

Demand History | NSN 5305-01-581-4768

Part Number Request Date QTY Origin
BACB30LK042 2008-04-100 25000 IL

Cross Reference | NSN 5305-01-581-4768

Part Number Cage Code Manufacturer
BACB30LK04-2 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5305-01-581-4768

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
THREAD DIRECTION RIGHT-HAND
NOMINAL THREAD DIAMETER 0.112 INCHES
HEAD DIAMETER 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
THREAD QUANTITY PER INCH 40
FASTENER LENGTH 0.363 INCHES MINIMUM AND 0.393 INCHES MAXIMUM
SURFACE TREATMENT CADMIUM OVERALL
GRIP LENGTH 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD LENGTH 0.258 INCHES MINIMUM AND 0.268 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMSQQ-P-416, TY II, CL 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE PAN
SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
MATERIAL IRON ALLOY 660 OVERALL
HEAD HEIGHT 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
SURFACE FINISH 32.0 MICROINCHES GRIP
GRIP DIAMETER 0.1099 INCHES MINIMUM AND 0.1115 INCHES MAXIMUM
THREAD CLASS 3A

Restrictions/Controls & Freight Information | NSN 5305-01-581-4768

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