Product Details | CLOSE TOLERANCE SCREW

5305-01-581-3100 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: NA0038090044, NA0038-090044, 5305-01-581-3100, 01-581-3100, 5305015813100, 015813100

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 12 JAN 2010 01-581-3100

Cross Reference | NSN 5305-01-581-3100

Part Number Cage Code Manufacturer
NA0038-090044 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-581-3100

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
HEAD DIAMETER 16.0 MILLIMETERS NOMINAL
FASTENER LENGTH 55.5 MILLIMETERS NOMINAL
COUNTERSINK ANGLE 95.0 DEGREES MINIMUM AND 105.0 DEGREES MAXIMUM
GRIP DIAMETER 8.9 MILLIMETERS MINIMUM AND 9.0 MILLIMETERS MAXIMUM
GRIP LENGTH 43.8 MILLIMETERS MINIMUM AND 44.2 MILLIMETERS MAXIMUM
HEAD STYLE FLAT COUNTERSUNK
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
THREAD SERIES DESIGNATOR MJ
THREAD LENGTH 11.5 MILLIMETERS NOMINAL
NOMINAL THREAD DIAMETER 8.0 MILLIMETERS
MATERIAL STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL
THREAD PITCH IN MILLIMETERS 1.0
EXTERNAL THREAD TOLERANCE CLASS 4H6H

Restrictions/Controls & Freight Information | NSN 5305-01-581-3100

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