Product Details | CLOSE TOLERANCE SCREW

5305-01-540-8208 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: NAS1131E18, 5305-01-540-8208, 01-540-8208, 5305015408208, 015408208

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 05 JUN 2006 01-540-8208

Cross Reference | NSN 5305-01-540-8208

Part Number Cage Code Manufacturer
NAS1131E18 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-540-8208

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
THREAD QUANTITY PER INCH 32
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.1380 INCHES NOMINAL
FASTENER LENGTH 1.401 INCHES NOMINAL
MATERIAL STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HEAD HEIGHT 0.055 INCHES MAXIMUM
SPECIAL FEATURES 160000 PSI UTS MIN. AT ROOM TEMPERATURE HEAT TREATMENT
III END ITEM IDENTIFICATION C135F HERCULES AIRCRAFT
III PART NAME ASSIGNED BY CONTROLLING AGENCY SCREW,MACHINE PAN HEAD CLOSE TOL,SHORT THD,OFFSET CRUCIFORM

Restrictions/Controls & Freight Information | NSN 5305-01-540-8208

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