Product Details | CLOSE TOLERANCE SCREW

5305-01-520-3818 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: NA0035040006, NA0035-040006, 5305-01-520-3818, 01-520-3818, 5305015203818, 015203818

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 10 MAY 2004 01-520-3818

Drawings & Photos | NSN 5305-01-520-3818


Demand History | NSN 5305-01-520-3818

Part Number Request Date QTY Origin
NA0035040006 2024-10-290 6 US

Cross Reference | NSN 5305-01-520-3818

Part Number Cage Code Manufacturer
NA0035-040006 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-520-3818

Characteristic Specifications
THREAD SERIES DESIGNATOR MJ
NOMINAL THREAD DIAMETER 4.0 MILLIMETERS
THREAD PITCH IN MILLIMETERS 0.7
EXTERNAL THREAD TOLERANCE CLASS 4H6H
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 7.0 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM
FASTENER LENGTH 13.2 MILLIMETERS MINIMUM AND 13.8 MILLIMETERS MAXIMUM
MATERIAL STEEL COMP E4340 OR STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLE C33 PAN NO. 2
HEAD DIAMETER 7.7 MILLIMETERS MINIMUM AND 8.0 MILLIMETERS MAXIMUM
HEAD HEIGHT 2.2 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM
INTERNAL DRIVE STYLE D8 TORQUE SET
GRIP LENGTH 5.8 MILLIMETERS MINIMUM AND 6.2 MILLIMETERS MAXIMUM
GRIP DIAMETER 3.965 MILLIMETERS MINIMUM AND 3.990 MILLIMETERS MAXIMUM
SURFACE FINISH 0.8 MICROMETERS BEARING SURFACE OF HEAD 0.8 MICROMETERS GRIP 0.8 MICROMETERS THREADS
SPECIFICATION/STANDARD DATA 80205-NA0035 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

Restrictions/Controls & Freight Information | NSN 5305-01-520-3818

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